Regenerate stale checked-in wkt gencode

php/ext/google/protobuf/wkt.inc

@@ -1501,12 +1501,12 @@ static void google_protobuf_NullValue_ModuleInit() {
 
 zend_class_entry* GPBMetadata_Google_Protobuf_Type_ce;
 
-const char google_protobuf_type_proto_descriptor [1592] = {
+const char google_protobuf_type_proto_descriptor [1647] = {
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 'o', 't', 'o', '\022', '\017', 'g', 'o', 'o', 'g', 'l', 'e', '.', 'p', 'r', 'o', 't', 'o', 'b', 'u', 'f', '\032', '\031', 'g', 'o', 'o', 
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-'t', 'e', 'x', 't', '.', 'p', 'r', 'o', 't', 'o', '\"', '\327', '\001', '\n', '\004', 'T', 'y', 'p', 'e', '\022', '\014', '\n', '\004', 'n', 'a', 
+'t', 'e', 'x', 't', '.', 'p', 'r', 'o', 't', 'o', '\"', '\350', '\001', '\n', '\004', 'T', 'y', 'p', 'e', '\022', '\014', '\n', '\004', 'n', 'a', 
 'm', 'e', '\030', '\001', ' ', '\001', '(', '\t', '\022', '&', '\n', '\006', 'f', 'i', 'e', 'l', 'd', 's', '\030', '\002', ' ', '\003', '(', '\013', '2', 
 '\026', '.', 'g', 'o', 'o', 'g', 'l', 'e', '.', 'p', 'r', 'o', 't', 'o', 'b', 'u', 'f', '.', 'F', 'i', 'e', 'l', 'd', '\022', '\016', 
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@@ -1515,57 +1515,59 @@ const char google_protobuf_type_proto_descriptor [1592] = {
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+'\021', '\n', '\r', 'S', 'Y', 'N', 'T', 'A', 'X', '_', 'P', 'R', 'O', 'T', 'O', '3', '\020', '\001', '\022', '\023', '\n', '\017', 'S', 'Y', 'N', 
-'g', 'l', 'e', '.', 'g', 'o', 'l', 'a', 'n', 'g', '.', 'o', 'r', 'g', '/', 'p', 'r', 'o', 't', 'o', 'b', 'u', 'f', '/', 't', 
+'T', 'A', 'X', '_', 'E', 'D', 'I', 'T', 'I', 'O', 'N', 'S', '\020', '\002', 'B', '{', '\n', '\023', 'c', 'o', 'm', '.', 'g', 'o', 'o', 
-'y', 'p', 'e', 's', '/', 'k', 'n', 'o', 'w', 'n', '/', 't', 'y', 'p', 'e', 'p', 'b', '\370', '\001', '\001', '\242', '\002', '\003', 'G', 'P', 
+'g', 'l', 'e', '.', 'p', 'r', 'o', 't', 'o', 'b', 'u', 'f', 'B', '\t', 'T', 'y', 'p', 'e', 'P', 'r', 'o', 't', 'o', 'P', '\001', 
-'B', '\252', '\002', '\036', 'G', 'o', 'o', 'g', 'l', 'e', '.', 'P', 'r', 'o', 't', 'o', 'b', 'u', 'f', '.', 'W', 'e', 'l', 'l', 'K', 
+'Z', '-', 'g', 'o', 'o', 'g', 'l', 'e', '.', 'g', 'o', 'l', 'a', 'n', 'g', '.', 'o', 'r', 'g', '/', 'p', 'r', 'o', 't', 'o', 
-'n', 'o', 'w', 'n', 'T', 'y', 'p', 'e', 's', 'b', '\006', 'p', 'r', 'o', 't', 'o', '3', 
+'b', 'u', 'f', '/', 't', 'y', 'p', 'e', 's', '/', 'k', 'n', 'o', 'w', 'n', '/', 't', 'y', 'p', 'e', 'p', 'b', '\370', '\001', '\001', 
+'\242', '\002', '\003', 'G', 'P', 'B', '\252', '\002', '\036', 'G', 'o', 'o', 'g', 'l', 'e', '.', 'P', 'r', 'o', 't', 'o', 'b', 'u', 'f', '.', 
+'W', 'e', 'l', 'l', 'K', 'n', 'o', 'w', 'n', 'T', 'y', 'p', 'e', 's', 'b', '\006', 'p', 'r', 'o', 't', 'o', '3', 
 };
 
 static void google_protobuf_type_proto_AddDescriptor() {
@@ -1735,6 +1737,28 @@ static PHP_METHOD(google_protobuf_Type, setSyntax) {
   RETURN_COPY(getThis());
 }
 
+static PHP_METHOD(google_protobuf_Type, getEdition) {
+  Message* intern = (Message*)Z_OBJ_P(getThis());
+  const upb_FieldDef *f = upb_MessageDef_FindFieldByName(
+      intern->desc->msgdef, "edition");
+  zval ret;
+  Message_get(intern, f, &ret);
+  RETURN_COPY_VALUE(&ret);
+}
+
+static PHP_METHOD(google_protobuf_Type, setEdition) {
+  Message* intern = (Message*)Z_OBJ_P(getThis());
+  const upb_FieldDef *f = upb_MessageDef_FindFieldByName(
+      intern->desc->msgdef, "edition");
+  zval *val;
+  if (zend_parse_parameters(ZEND_NUM_ARGS(), "z", &val)
+      == FAILURE) {
+    return;
+  }
+  Message_set(intern, f, val);
+  RETURN_COPY(getThis());
+}
+
 static zend_function_entry google_protobuf_Type_phpmethods[] = {
   PHP_ME(google_protobuf_Type, __construct, arginfo_construct, ZEND_ACC_PUBLIC)
   PHP_ME(google_protobuf_Type, getName, arginfo_void, ZEND_ACC_PUBLIC)
@@ -1749,6 +1773,8 @@ static zend_function_entry google_protobuf_Type_phpmethods[] = {
   PHP_ME(google_protobuf_Type, setSourceContext, arginfo_setter, ZEND_ACC_PUBLIC)
   PHP_ME(google_protobuf_Type, getSyntax, arginfo_void, ZEND_ACC_PUBLIC)
   PHP_ME(google_protobuf_Type, setSyntax, arginfo_setter, ZEND_ACC_PUBLIC)
+  PHP_ME(google_protobuf_Type, getEdition, arginfo_void, ZEND_ACC_PUBLIC)
+  PHP_ME(google_protobuf_Type, setEdition, arginfo_setter, ZEND_ACC_PUBLIC)
   ZEND_FE_END
 };
 
@@ -2319,6 +2345,28 @@ static PHP_METHOD(google_protobuf_Enum, setSyntax) {
   RETURN_COPY(getThis());
 }
 
+static PHP_METHOD(google_protobuf_Enum, getEdition) {
+  Message* intern = (Message*)Z_OBJ_P(getThis());
+  const upb_FieldDef *f = upb_MessageDef_FindFieldByName(
+      intern->desc->msgdef, "edition");
+  zval ret;
+  Message_get(intern, f, &ret);
+  RETURN_COPY_VALUE(&ret);
+}
+
+static PHP_METHOD(google_protobuf_Enum, setEdition) {
+  Message* intern = (Message*)Z_OBJ_P(getThis());
+  const upb_FieldDef *f = upb_MessageDef_FindFieldByName(
+      intern->desc->msgdef, "edition");
+  zval *val;
+  if (zend_parse_parameters(ZEND_NUM_ARGS(), "z", &val)
+      == FAILURE) {
+    return;
+  }
+  Message_set(intern, f, val);
+  RETURN_COPY(getThis());
+}
+
 static zend_function_entry google_protobuf_Enum_phpmethods[] = {
   PHP_ME(google_protobuf_Enum, __construct, arginfo_construct, ZEND_ACC_PUBLIC)
   PHP_ME(google_protobuf_Enum, getName, arginfo_void, ZEND_ACC_PUBLIC)
@@ -2331,6 +2379,8 @@ static zend_function_entry google_protobuf_Enum_phpmethods[] = {
   PHP_ME(google_protobuf_Enum, setSourceContext, arginfo_setter, ZEND_ACC_PUBLIC)
   PHP_ME(google_protobuf_Enum, getSyntax, arginfo_void, ZEND_ACC_PUBLIC)
   PHP_ME(google_protobuf_Enum, setSyntax, arginfo_setter, ZEND_ACC_PUBLIC)
+  PHP_ME(google_protobuf_Enum, getEdition, arginfo_void, ZEND_ACC_PUBLIC)
+  PHP_ME(google_protobuf_Enum, setEdition, arginfo_setter, ZEND_ACC_PUBLIC)
   ZEND_FE_END
 };
 
@@ -2582,6 +2632,8 @@ static void google_protobuf_Syntax_ModuleInit() {
                                    strlen("SYNTAX_PROTO2"), 0);
   zend_declare_class_constant_long(google_protobuf_Syntax_ce, "SYNTAX_PROTO3",
                                    strlen("SYNTAX_PROTO3"), 1);
+  zend_declare_class_constant_long(google_protobuf_Syntax_ce, "SYNTAX_EDITIONS",
+                                   strlen("SYNTAX_EDITIONS"), 2);
 }
 
 /* google/protobuf/timestamp.proto */

php/src/GPBMetadata/Google/Protobuf/Any.php

@@ -1,5 +1,6 @@
 <?php
 # Generated by the protocol buffer compiler.  DO NOT EDIT!
+# NO CHECKED-IN PROTOBUF GENCODE
 # source: google/protobuf/any.proto
 
 namespace GPBMetadata\Google\Protobuf;
@@ -15,13 +16,7 @@ class Any
           return;
         }
         $pool->internalAddGeneratedFile(
-            '
+            "\x0A\xD4\x01\x0A\x19google/protobuf/any.proto\x12\x0Fgoogle.protobuf\"&\x0A\x03Any\x12\x10\x0A\x08type_url\x18\x01 \x01(\x09\x12\x0D\x0A\x05value\x18\x02 \x01(\x0CBv\x0A\x13com.google.protobufB\x08AnyProtoP\x01Z,google.golang.org/protobuf/types/known/anypb\xA2\x02\x03GPB\xAA\x02\x1EGoogle.Protobuf.WellKnownTypesb\x06proto3"
-Ô

-google/protobuf/any.protogoogle.protobuf"&
-Any
-type_url
 
(	
-value 
(Bv
-com.google.protobufBAnyProtoP
Z,google.golang.org/protobuf/types/known/anypb˘GPBŞGoogle.Protobuf.WellKnownTypesbproto3'
         , true);
 
         static::$is_initialized = true;

php/src/GPBMetadata/Google/Protobuf/Api.php

@@ -1,5 +1,6 @@
 <?php
 # Generated by the protocol buffer compiler.  DO NOT EDIT!
+# NO CHECKED-IN PROTOBUF GENCODE
 # source: google/protobuf/api.proto
 
 namespace GPBMetadata\Google\Protobuf;
@@ -17,29 +18,7 @@ class Api
         \GPBMetadata\Google\Protobuf\SourceContext::initOnce();
         \GPBMetadata\Google\Protobuf\Type::initOnce();
         $pool->internalAddGeneratedFile(
-            '
+            "\x0A\xC9\x05\x0A\x19google/protobuf/api.proto\x12\x0Fgoogle.protobuf\x1A\x1Agoogle/protobuf/type.proto\"\x81\x02\x0A\x03Api\x12\x0C\x0A\x04name\x18\x01 \x01(\x09\x12(\x0A\x07methods\x18\x02 \x03(\x0B2\x17.google.protobuf.Method\x12(\x0A\x07options\x18\x03 \x03(\x0B2\x17.google.protobuf.Option\x12\x0F\x0A\x07version\x18\x04 \x01(\x09\x126\x0A\x0Esource_context\x18\x05 \x01(\x0B2\x1E.google.protobuf.SourceContext\x12&\x0A\x06mixins\x18\x06 \x03(\x0B2\x16.google.protobuf.Mixin\x12'\x0A\x06syntax\x18\x07 \x01(\x0E2\x17.google.protobuf.Syntax\"\xD5\x01\x0A\x06Method\x12\x0C\x0A\x04name\x18\x01 \x01(\x09\x12\x18\x0A\x10request_type_url\x18\x02 \x01(\x09\x12\x19\x0A\x11request_streaming\x18\x03 \x01(\x08\x12\x19\x0A\x11response_type_url\x18\x04 \x01(\x09\x12\x1A\x0A\x12response_streaming\x18\x05 \x01(\x08\x12(\x0A\x07options\x18\x06 \x03(\x0B2\x17.google.protobuf.Option\x12'\x0A\x06syntax\x18\x07 \x01(\x0E2\x17.google.protobuf.Syntax\"#\x0A\x05Mixin\x12\x0C\x0A\x04name\x18\x01 \x01(\x09\x12\x0C\x0A\x04root\x18\x02 \x01(\x09Bv\x0A\x13com.google.protobufB\x08ApiProtoP\x01Z,google.golang.org/protobuf/types/known/apipb\xA2\x02\x03GPB\xAA\x02\x1EGoogle.Protobuf.WellKnownTypesb\x06proto3"
-É
-google/protobuf/api.protogoogle.protobufgoogle/protobuf/type.proto"<EFBFBD>
-Api
-name
 
(	(
-methods (2.google.protobuf.Method(
-options (2.google.protobuf.Option
-version 
(	6
-source_context 
(2.google.protobuf.SourceContext&
-mixins (2.google.protobuf.Mixin\'
-syntax 
(2.google.protobuf.Syntax"Ő

-Method
-name
 
(	
-request_type_url 
(	
-request_streaming 
(
-response_type_url 
(	
-response_streaming 
((
-options (2.google.protobuf.Option\'
-syntax 
(2.google.protobuf.Syntax"#
-Mixin
-name
 
(	
-root 
(	Bv
-com.google.protobufBApiProtoP
Z,google.golang.org/protobuf/types/known/apipb˘GPBŞGoogle.Protobuf.WellKnownTypesbproto3'
         , true);
 
         static::$is_initialized = true;

php/src/GPBMetadata/Google/Protobuf/Duration.php

@@ -1,5 +1,6 @@
 <?php
 # Generated by the protocol buffer compiler.  DO NOT EDIT!
+# NO CHECKED-IN PROTOBUF GENCODE
 # source: google/protobuf/duration.proto
 
 namespace GPBMetadata\Google\Protobuf;
@@ -15,13 +16,7 @@ class Duration
           return;
         }
         $pool->internalAddGeneratedFile(
-            '
+            "\x0A\xEB\x01\x0A\x1Egoogle/protobuf/duration.proto\x12\x0Fgoogle.protobuf\"*\x0A\x08Duration\x12\x0F\x0A\x07seconds\x18\x01 \x01(\x03\x12\x0D\x0A\x05nanos\x18\x02 \x01(\x05B\x83\x01\x0A\x13com.google.protobufB\x0DDurationProtoP\x01Z1google.golang.org/protobuf/types/known/durationpb\xF8\x01\x01\xA2\x02\x03GPB\xAA\x02\x1EGoogle.Protobuf.WellKnownTypesb\x06proto3"
-ë

-google/protobuf/duration.protogoogle.protobuf"*
-Duration
-seconds
 
(
-nanos 
(Bƒ

-com.google.protobufB
DurationProtoP
Z1google.golang.org/protobuf/types/known/durationpbø

¢GPBªGoogle.Protobuf.WellKnownTypesbproto3'
         , true);
 
         static::$is_initialized = true;

php/src/GPBMetadata/Google/Protobuf/FieldMask.php

@@ -1,5 +1,6 @@
 <?php
 # Generated by the protocol buffer compiler.  DO NOT EDIT!
+# NO CHECKED-IN PROTOBUF GENCODE
 # source: google/protobuf/field_mask.proto
 
 namespace GPBMetadata\Google\Protobuf;
@@ -15,12 +16,7 @@ class FieldMask
           return;
         }
         $pool->internalAddGeneratedFile(
-            '
+            "\x0A\xDF\x01\x0A google/protobuf/field_mask.proto\x12\x0Fgoogle.protobuf\"\x1A\x0A\x09FieldMask\x12\x0D\x0A\x05paths\x18\x01 \x03(\x09B\x85\x01\x0A\x13com.google.protobufB\x0EFieldMaskProtoP\x01Z2google.golang.org/protobuf/types/known/fieldmaskpb\xF8\x01\x01\xA2\x02\x03GPB\xAA\x02\x1EGoogle.Protobuf.WellKnownTypesb\x06proto3"
-ß

- google/protobuf/field_mask.protogoogle.protobuf"
-	FieldMask
-paths
 (	B…

-com.google.protobufBFieldMaskProtoP
Z2google.golang.org/protobuf/types/known/fieldmaskpbř

˘GPBŞGoogle.Protobuf.WellKnownTypesbproto3'
         , true);
 
         static::$is_initialized = true;

php/src/GPBMetadata/Google/Protobuf/GPBEmpty.php

@@ -1,5 +1,6 @@
 <?php
 # Generated by the protocol buffer compiler.  DO NOT EDIT!
+# NO CHECKED-IN PROTOBUF GENCODE
 # source: google/protobuf/empty.proto
 
 namespace GPBMetadata\Google\Protobuf;
@@ -15,12 +16,7 @@ class GPBEmpty
           return;
         }
         $pool->internalAddGeneratedFile(
-            '
+            "\x0A\xBE\x01\x0A\x1Bgoogle/protobuf/empty.proto\x12\x0Fgoogle.protobuf\"\x07\x0A\x05EmptyB}\x0A\x13com.google.protobufB\x0AEmptyProtoP\x01Z.google.golang.org/protobuf/types/known/emptypb\xF8\x01\x01\xA2\x02\x03GPB\xAA\x02\x1EGoogle.Protobuf.WellKnownTypesb\x06proto3"
-ž

-google/protobuf/empty.protogoogle.protobuf"
-EmptyB}
-com.google.protobufB
-EmptyProtoP
Z.google.golang.org/protobuf/types/known/emptypbř

˘GPBŞGoogle.Protobuf.WellKnownTypesbproto3'
         , true);
 
         static::$is_initialized = true;

php/src/GPBMetadata/Google/Protobuf/Internal/Descriptor.php

@@ -1,5 +1,6 @@
 <?php
 # Generated by the protocol buffer compiler.  DO NOT EDIT!
+# NO CHECKED-IN PROTOBUF GENCODE
 # source: google/protobuf/descriptor.proto
 
 namespace GPBMetadata\Google\Protobuf\Internal;
@@ -31,7 +32,7 @@ class Descriptor
             ->optional('options', \Google\Protobuf\Internal\GPBType::MESSAGE, 8, 'google.protobuf.internal.FileOptions')
             ->optional('source_code_info', \Google\Protobuf\Internal\GPBType::MESSAGE, 9, 'google.protobuf.internal.SourceCodeInfo')
             ->optional('syntax', \Google\Protobuf\Internal\GPBType::STRING, 12)
-            ->optional('edition', \Google\Protobuf\Internal\GPBType::STRING, 13)
+            ->optional('edition', \Google\Protobuf\Internal\GPBType::ENUM, 14, 'google.protobuf.internal.Edition')
             ->finalizeToPool();
 
         $pool->addMessage('google.protobuf.internal.DescriptorProto', \Google\Protobuf\Internal\DescriptorProto::class)
@@ -60,6 +61,22 @@ class Descriptor
 
         $pool->addMessage('google.protobuf.internal.ExtensionRangeOptions', \Google\Protobuf\Internal\ExtensionRangeOptions::class)
             ->repeated('uninterpreted_option', \Google\Protobuf\Internal\GPBType::MESSAGE, 999, 'google.protobuf.internal.UninterpretedOption')
+            ->repeated('declaration', \Google\Protobuf\Internal\GPBType::MESSAGE, 2, 'google.protobuf.internal.ExtensionRangeOptions.Declaration')
+            ->optional('features', \Google\Protobuf\Internal\GPBType::MESSAGE, 50, 'google.protobuf.internal.FeatureSet')
+            ->optional('verification', \Google\Protobuf\Internal\GPBType::ENUM, 3, 'google.protobuf.internal.ExtensionRangeOptions.VerificationState')
+            ->finalizeToPool();
+
+        $pool->addMessage('google.protobuf.internal.ExtensionRangeOptions.Declaration', \Google\Protobuf\Internal\ExtensionRangeOptions\Declaration::class)
+            ->optional('number', \Google\Protobuf\Internal\GPBType::INT32, 1)
+            ->optional('full_name', \Google\Protobuf\Internal\GPBType::STRING, 2)
+            ->optional('type', \Google\Protobuf\Internal\GPBType::STRING, 3)
+            ->optional('reserved', \Google\Protobuf\Internal\GPBType::BOOL, 5)
+            ->optional('repeated', \Google\Protobuf\Internal\GPBType::BOOL, 6)
+            ->finalizeToPool();
+
+        $pool->addEnum('google.protobuf.internal.ExtensionRangeOptions.VerificationState', \Google\Protobuf\Internal\VerificationState::class)
+            ->value("DECLARATION", 0)
+            ->value("UNVERIFIED", 1)
             ->finalizeToPool();
 
         $pool->addMessage('google.protobuf.internal.FieldDescriptorProto', \Google\Protobuf\Internal\FieldDescriptorProto::class)
@@ -99,8 +116,8 @@ class Descriptor
 
         $pool->addEnum('google.protobuf.internal.FieldDescriptorProto.Label', \Google\Protobuf\Internal\Label::class)
             ->value("LABEL_OPTIONAL", 1)
-            ->value("LABEL_REQUIRED", 2)
             ->value("LABEL_REPEATED", 3)
+            ->value("LABEL_REQUIRED", 2)
             ->finalizeToPool();
 
         $pool->addMessage('google.protobuf.internal.OneofDescriptorProto', \Google\Protobuf\Internal\OneofDescriptorProto::class)
@@ -153,7 +170,6 @@ class Descriptor
             ->optional('cc_generic_services', \Google\Protobuf\Internal\GPBType::BOOL, 16)
             ->optional('java_generic_services', \Google\Protobuf\Internal\GPBType::BOOL, 17)
             ->optional('py_generic_services', \Google\Protobuf\Internal\GPBType::BOOL, 18)
-            ->optional('php_generic_services', \Google\Protobuf\Internal\GPBType::BOOL, 42)
             ->optional('deprecated', \Google\Protobuf\Internal\GPBType::BOOL, 23)
             ->optional('cc_enable_arenas', \Google\Protobuf\Internal\GPBType::BOOL, 31)
             ->optional('objc_class_prefix', \Google\Protobuf\Internal\GPBType::STRING, 36)
@@ -163,6 +179,7 @@ class Descriptor
             ->optional('php_namespace', \Google\Protobuf\Internal\GPBType::STRING, 41)
             ->optional('php_metadata_namespace', \Google\Protobuf\Internal\GPBType::STRING, 44)
             ->optional('ruby_package', \Google\Protobuf\Internal\GPBType::STRING, 45)
+            ->optional('features', \Google\Protobuf\Internal\GPBType::MESSAGE, 50, 'google.protobuf.internal.FeatureSet')
             ->repeated('uninterpreted_option', \Google\Protobuf\Internal\GPBType::MESSAGE, 999, 'google.protobuf.internal.UninterpretedOption')
             ->finalizeToPool();
 
@@ -178,6 +195,7 @@ class Descriptor
             ->optional('deprecated', \Google\Protobuf\Internal\GPBType::BOOL, 3)
             ->optional('map_entry', \Google\Protobuf\Internal\GPBType::BOOL, 7)
             ->optional('deprecated_legacy_json_field_conflicts', \Google\Protobuf\Internal\GPBType::BOOL, 11)
+            ->optional('features', \Google\Protobuf\Internal\GPBType::MESSAGE, 12, 'google.protobuf.internal.FeatureSet')
             ->repeated('uninterpreted_option', \Google\Protobuf\Internal\GPBType::MESSAGE, 999, 'google.protobuf.internal.UninterpretedOption')
             ->finalizeToPool();
 
@@ -189,9 +207,27 @@ class Descriptor
             ->optional('unverified_lazy', \Google\Protobuf\Internal\GPBType::BOOL, 15)
             ->optional('deprecated', \Google\Protobuf\Internal\GPBType::BOOL, 3)
             ->optional('weak', \Google\Protobuf\Internal\GPBType::BOOL, 10)
+            ->optional('debug_redact', \Google\Protobuf\Internal\GPBType::BOOL, 16)
+            ->optional('retention', \Google\Protobuf\Internal\GPBType::ENUM, 17, 'google.protobuf.internal.FieldOptions.OptionRetention')
+            ->repeated('targets', \Google\Protobuf\Internal\GPBType::ENUM, 19, 'google.protobuf.internal.FieldOptions.OptionTargetType')
+            ->repeated('edition_defaults', \Google\Protobuf\Internal\GPBType::MESSAGE, 20, 'google.protobuf.internal.FieldOptions.EditionDefault')
+            ->optional('features', \Google\Protobuf\Internal\GPBType::MESSAGE, 21, 'google.protobuf.internal.FeatureSet')
+            ->optional('feature_support', \Google\Protobuf\Internal\GPBType::MESSAGE, 22, 'google.protobuf.internal.FieldOptions.FeatureSupport')
             ->repeated('uninterpreted_option', \Google\Protobuf\Internal\GPBType::MESSAGE, 999, 'google.protobuf.internal.UninterpretedOption')
             ->finalizeToPool();
 
+        $pool->addMessage('google.protobuf.internal.FieldOptions.EditionDefault', \Google\Protobuf\Internal\FieldOptions\EditionDefault::class)
+            ->optional('edition', \Google\Protobuf\Internal\GPBType::ENUM, 3, 'google.protobuf.internal.Edition')
+            ->optional('value', \Google\Protobuf\Internal\GPBType::STRING, 2)
+            ->finalizeToPool();
+
+        $pool->addMessage('google.protobuf.internal.FieldOptions.FeatureSupport', \Google\Protobuf\Internal\FieldOptions\FeatureSupport::class)
+            ->optional('edition_introduced', \Google\Protobuf\Internal\GPBType::ENUM, 1, 'google.protobuf.internal.Edition')
+            ->optional('edition_deprecated', \Google\Protobuf\Internal\GPBType::ENUM, 2, 'google.protobuf.internal.Edition')
+            ->optional('deprecation_warning', \Google\Protobuf\Internal\GPBType::STRING, 3)
+            ->optional('edition_removed', \Google\Protobuf\Internal\GPBType::ENUM, 4, 'google.protobuf.internal.Edition')
+            ->finalizeToPool();
+
         $pool->addEnum('google.protobuf.internal.FieldOptions.CType', \Google\Protobuf\Internal\CType::class)
             ->value("STRING", 0)
             ->value("CORD", 1)
@@ -204,7 +240,27 @@ class Descriptor
             ->value("JS_NUMBER", 2)
             ->finalizeToPool();
 
+        $pool->addEnum('google.protobuf.internal.FieldOptions.OptionRetention', \Google\Protobuf\Internal\OptionRetention::class)
+            ->value("RETENTION_UNKNOWN", 0)
+            ->value("RETENTION_RUNTIME", 1)
+            ->value("RETENTION_SOURCE", 2)
+            ->finalizeToPool();
+
+        $pool->addEnum('google.protobuf.internal.FieldOptions.OptionTargetType', \Google\Protobuf\Internal\OptionTargetType::class)
+            ->value("TARGET_TYPE_UNKNOWN", 0)
+            ->value("TARGET_TYPE_FILE", 1)
+            ->value("TARGET_TYPE_EXTENSION_RANGE", 2)
+            ->value("TARGET_TYPE_MESSAGE", 3)
+            ->value("TARGET_TYPE_FIELD", 4)
+            ->value("TARGET_TYPE_ONEOF", 5)
+            ->value("TARGET_TYPE_ENUM", 6)
+            ->value("TARGET_TYPE_ENUM_ENTRY", 7)
+            ->value("TARGET_TYPE_SERVICE", 8)
+            ->value("TARGET_TYPE_METHOD", 9)
+            ->finalizeToPool();
+
         $pool->addMessage('google.protobuf.internal.OneofOptions', \Google\Protobuf\Internal\OneofOptions::class)
+            ->optional('features', \Google\Protobuf\Internal\GPBType::MESSAGE, 1, 'google.protobuf.internal.FeatureSet')
             ->repeated('uninterpreted_option', \Google\Protobuf\Internal\GPBType::MESSAGE, 999, 'google.protobuf.internal.UninterpretedOption')
             ->finalizeToPool();
 
@@ -212,15 +268,20 @@ class Descriptor
             ->optional('allow_alias', \Google\Protobuf\Internal\GPBType::BOOL, 2)
             ->optional('deprecated', \Google\Protobuf\Internal\GPBType::BOOL, 3)
             ->optional('deprecated_legacy_json_field_conflicts', \Google\Protobuf\Internal\GPBType::BOOL, 6)
+            ->optional('features', \Google\Protobuf\Internal\GPBType::MESSAGE, 7, 'google.protobuf.internal.FeatureSet')
             ->repeated('uninterpreted_option', \Google\Protobuf\Internal\GPBType::MESSAGE, 999, 'google.protobuf.internal.UninterpretedOption')
             ->finalizeToPool();
 
         $pool->addMessage('google.protobuf.internal.EnumValueOptions', \Google\Protobuf\Internal\EnumValueOptions::class)
             ->optional('deprecated', \Google\Protobuf\Internal\GPBType::BOOL, 1)
+            ->optional('features', \Google\Protobuf\Internal\GPBType::MESSAGE, 2, 'google.protobuf.internal.FeatureSet')
+            ->optional('debug_redact', \Google\Protobuf\Internal\GPBType::BOOL, 3)
+            ->optional('feature_support', \Google\Protobuf\Internal\GPBType::MESSAGE, 4, 'google.protobuf.internal.FieldOptions.FeatureSupport')
             ->repeated('uninterpreted_option', \Google\Protobuf\Internal\GPBType::MESSAGE, 999, 'google.protobuf.internal.UninterpretedOption')
             ->finalizeToPool();
 
         $pool->addMessage('google.protobuf.internal.ServiceOptions', \Google\Protobuf\Internal\ServiceOptions::class)
+            ->optional('features', \Google\Protobuf\Internal\GPBType::MESSAGE, 34, 'google.protobuf.internal.FeatureSet')
             ->optional('deprecated', \Google\Protobuf\Internal\GPBType::BOOL, 33)
             ->repeated('uninterpreted_option', \Google\Protobuf\Internal\GPBType::MESSAGE, 999, 'google.protobuf.internal.UninterpretedOption')
             ->finalizeToPool();
@@ -228,6 +289,7 @@ class Descriptor
         $pool->addMessage('google.protobuf.internal.MethodOptions', \Google\Protobuf\Internal\MethodOptions::class)
             ->optional('deprecated', \Google\Protobuf\Internal\GPBType::BOOL, 33)
             ->optional('idempotency_level', \Google\Protobuf\Internal\GPBType::ENUM, 34, 'google.protobuf.internal.MethodOptions.IdempotencyLevel')
+            ->optional('features', \Google\Protobuf\Internal\GPBType::MESSAGE, 35, 'google.protobuf.internal.FeatureSet')
             ->repeated('uninterpreted_option', \Google\Protobuf\Internal\GPBType::MESSAGE, 999, 'google.protobuf.internal.UninterpretedOption')
             ->finalizeToPool();
 
@@ -252,6 +314,64 @@ class Descriptor
             ->required('is_extension', \Google\Protobuf\Internal\GPBType::BOOL, 2)
             ->finalizeToPool();
 
+        $pool->addMessage('google.protobuf.internal.FeatureSet', \Google\Protobuf\Internal\FeatureSet::class)
+            ->optional('field_presence', \Google\Protobuf\Internal\GPBType::ENUM, 1, 'google.protobuf.internal.FeatureSet.FieldPresence')
+            ->optional('enum_type', \Google\Protobuf\Internal\GPBType::ENUM, 2, 'google.protobuf.internal.FeatureSet.EnumType')
+            ->optional('repeated_field_encoding', \Google\Protobuf\Internal\GPBType::ENUM, 3, 'google.protobuf.internal.FeatureSet.RepeatedFieldEncoding')
+            ->optional('utf8_validation', \Google\Protobuf\Internal\GPBType::ENUM, 4, 'google.protobuf.internal.FeatureSet.Utf8Validation')
+            ->optional('message_encoding', \Google\Protobuf\Internal\GPBType::ENUM, 5, 'google.protobuf.internal.FeatureSet.MessageEncoding')
+            ->optional('json_format', \Google\Protobuf\Internal\GPBType::ENUM, 6, 'google.protobuf.internal.FeatureSet.JsonFormat')
+            ->finalizeToPool();
+
+        $pool->addEnum('google.protobuf.internal.FeatureSet.FieldPresence', \Google\Protobuf\Internal\FieldPresence::class)
+            ->value("FIELD_PRESENCE_UNKNOWN", 0)
+            ->value("EXPLICIT", 1)
+            ->value("IMPLICIT", 2)
+            ->value("LEGACY_REQUIRED", 3)
+            ->finalizeToPool();
+
+        $pool->addEnum('google.protobuf.internal.FeatureSet.EnumType', \Google\Protobuf\Internal\EnumType::class)
+            ->value("ENUM_TYPE_UNKNOWN", 0)
+            ->value("OPEN", 1)
+            ->value("CLOSED", 2)
+            ->finalizeToPool();
+
+        $pool->addEnum('google.protobuf.internal.FeatureSet.RepeatedFieldEncoding', \Google\Protobuf\Internal\RepeatedFieldEncoding::class)
+            ->value("REPEATED_FIELD_ENCODING_UNKNOWN", 0)
+            ->value("PACKED", 1)
+            ->value("EXPANDED", 2)
+            ->finalizeToPool();
+
+        $pool->addEnum('google.protobuf.internal.FeatureSet.Utf8Validation', \Google\Protobuf\Internal\Utf8Validation::class)
+            ->value("UTF8_VALIDATION_UNKNOWN", 0)
+            ->value("VERIFY", 2)
+            ->value("NONE", 3)
+            ->finalizeToPool();
+
+        $pool->addEnum('google.protobuf.internal.FeatureSet.MessageEncoding', \Google\Protobuf\Internal\MessageEncoding::class)
+            ->value("MESSAGE_ENCODING_UNKNOWN", 0)
+            ->value("LENGTH_PREFIXED", 1)
+            ->value("DELIMITED", 2)
+            ->finalizeToPool();
+
+        $pool->addEnum('google.protobuf.internal.FeatureSet.JsonFormat', \Google\Protobuf\Internal\JsonFormat::class)
+            ->value("JSON_FORMAT_UNKNOWN", 0)
+            ->value("ALLOW", 1)
+            ->value("LEGACY_BEST_EFFORT", 2)
+            ->finalizeToPool();
+
+        $pool->addMessage('google.protobuf.internal.FeatureSetDefaults', \Google\Protobuf\Internal\FeatureSetDefaults::class)
+            ->repeated('defaults', \Google\Protobuf\Internal\GPBType::MESSAGE, 1, 'google.protobuf.internal.FeatureSetDefaults.FeatureSetEditionDefault')
+            ->optional('minimum_edition', \Google\Protobuf\Internal\GPBType::ENUM, 4, 'google.protobuf.internal.Edition')
+            ->optional('maximum_edition', \Google\Protobuf\Internal\GPBType::ENUM, 5, 'google.protobuf.internal.Edition')
+            ->finalizeToPool();
+
+        $pool->addMessage('google.protobuf.internal.FeatureSetDefaults.FeatureSetEditionDefault', \Google\Protobuf\Internal\FeatureSetDefaults\FeatureSetEditionDefault::class)
+            ->optional('edition', \Google\Protobuf\Internal\GPBType::ENUM, 3, 'google.protobuf.internal.Edition')
+            ->optional('overridable_features', \Google\Protobuf\Internal\GPBType::MESSAGE, 4, 'google.protobuf.internal.FeatureSet')
+            ->optional('fixed_features', \Google\Protobuf\Internal\GPBType::MESSAGE, 5, 'google.protobuf.internal.FeatureSet')
+            ->finalizeToPool();
+
         $pool->addMessage('google.protobuf.internal.SourceCodeInfo', \Google\Protobuf\Internal\SourceCodeInfo::class)
             ->repeated('location', \Google\Protobuf\Internal\GPBType::MESSAGE, 1, 'google.protobuf.internal.SourceCodeInfo.Location')
             ->finalizeToPool();
@@ -273,6 +393,28 @@ class Descriptor
             ->optional('source_file', \Google\Protobuf\Internal\GPBType::STRING, 2)
             ->optional('begin', \Google\Protobuf\Internal\GPBType::INT32, 3)
             ->optional('end', \Google\Protobuf\Internal\GPBType::INT32, 4)
+            ->optional('semantic', \Google\Protobuf\Internal\GPBType::ENUM, 5, 'google.protobuf.internal.GeneratedCodeInfo.Annotation.Semantic')
+            ->finalizeToPool();
+
+        $pool->addEnum('google.protobuf.internal.GeneratedCodeInfo.Annotation.Semantic', \Google\Protobuf\Internal\Semantic::class)
+            ->value("NONE", 0)
+            ->value("SET", 1)
+            ->value("ALIAS", 2)
+            ->finalizeToPool();
+
+        $pool->addEnum('google.protobuf.internal.Edition', \Google\Protobuf\Internal\Edition::class)
+            ->value("EDITION_UNKNOWN", 0)
+            ->value("EDITION_LEGACY", 900)
+            ->value("EDITION_PROTO2", 998)
+            ->value("EDITION_PROTO3", 999)
+            ->value("EDITION_2023", 1000)
+            ->value("EDITION_2024", 1001)
+            ->value("EDITION_1_TEST_ONLY", 1)
+            ->value("EDITION_2_TEST_ONLY", 2)
+            ->value("EDITION_99997_TEST_ONLY", 99997)
+            ->value("EDITION_99998_TEST_ONLY", 99998)
+            ->value("EDITION_99999_TEST_ONLY", 99999)
+            ->value("EDITION_MAX", 2147483647)
             ->finalizeToPool();
 
         $pool->finish();

php/src/GPBMetadata/Google/Protobuf/SourceContext.php

@@ -1,5 +1,6 @@
 <?php
 # Generated by the protocol buffer compiler.  DO NOT EDIT!
+# NO CHECKED-IN PROTOBUF GENCODE
 # source: google/protobuf/source_context.proto
 
 namespace GPBMetadata\Google\Protobuf;
@@ -15,12 +16,7 @@ class SourceContext
           return;
         }
         $pool->internalAddGeneratedFile(
-            '
+            "\x0A\xF0\x01\x0A\$google/protobuf/source_context.proto\x12\x0Fgoogle.protobuf\"\"\x0A\x0DSourceContext\x12\x11\x0A\x09file_name\x18\x01 \x01(\x09B\x8A\x01\x0A\x13com.google.protobufB\x12SourceContextProtoP\x01Z6google.golang.org/protobuf/types/known/sourcecontextpb\xA2\x02\x03GPB\xAA\x02\x1EGoogle.Protobuf.WellKnownTypesb\x06proto3"
-ð

-$google/protobuf/source_context.protogoogle.protobuf""
-
SourceContext
-	file_name
 
(	BŠ

-com.google.protobufBSourceContextProtoP
Z6google.golang.org/protobuf/types/known/sourcecontextpb¢GPBªGoogle.Protobuf.WellKnownTypesbproto3'
         , true);
 
         static::$is_initialized = true;

php/src/GPBMetadata/Google/Protobuf/Timestamp.php

@@ -1,5 +1,6 @@
 <?php
 # Generated by the protocol buffer compiler.  DO NOT EDIT!
+# NO CHECKED-IN PROTOBUF GENCODE
 # source: google/protobuf/timestamp.proto
 
 namespace GPBMetadata\Google\Protobuf;
@@ -15,13 +16,7 @@ class Timestamp
           return;
         }
         $pool->internalAddGeneratedFile(
-            '
+            "\x0A\xEF\x01\x0A\x1Fgoogle/protobuf/timestamp.proto\x12\x0Fgoogle.protobuf\"+\x0A\x09Timestamp\x12\x0F\x0A\x07seconds\x18\x01 \x01(\x03\x12\x0D\x0A\x05nanos\x18\x02 \x01(\x05B\x85\x01\x0A\x13com.google.protobufB\x0ETimestampProtoP\x01Z2google.golang.org/protobuf/types/known/timestamppb\xF8\x01\x01\xA2\x02\x03GPB\xAA\x02\x1EGoogle.Protobuf.WellKnownTypesb\x06proto3"
-ď

-google/protobuf/timestamp.protogoogle.protobuf"+
-	Timestamp
-seconds
 
(
-nanos 
(B…

-com.google.protobufBTimestampProtoP
Z2google.golang.org/protobuf/types/known/timestamppbř

˘GPBŞGoogle.Protobuf.WellKnownTypesbproto3'
         , true);
 
         static::$is_initialized = true;

php/src/GPBMetadata/Google/Protobuf/Wrappers.php

@@ -1,5 +1,6 @@
 <?php
 # Generated by the protocol buffer compiler.  DO NOT EDIT!
+# NO CHECKED-IN PROTOBUF GENCODE
 # source: google/protobuf/wrappers.proto
 
 namespace GPBMetadata\Google\Protobuf;
@@ -15,32 +16,7 @@ class Wrappers
           return;
         }
         $pool->internalAddGeneratedFile(
-            '
+            "\x0A\xC7\x03\x0A\x1Egoogle/protobuf/wrappers.proto\x12\x0Fgoogle.protobuf\"\x1C\x0A\x0BDoubleValue\x12\x0D\x0A\x05value\x18\x01 \x01(\x01\"\x1B\x0A\x0AFloatValue\x12\x0D\x0A\x05value\x18\x01 \x01(\x02\"\x1B\x0A\x0AInt64Value\x12\x0D\x0A\x05value\x18\x01 \x01(\x03\"\x1C\x0A\x0BUInt64Value\x12\x0D\x0A\x05value\x18\x01 \x01(\x04\"\x1B\x0A\x0AInt32Value\x12\x0D\x0A\x05value\x18\x01 \x01(\x05\"\x1C\x0A\x0BUInt32Value\x12\x0D\x0A\x05value\x18\x01 \x01(\x0D\"\x1A\x0A\x09BoolValue\x12\x0D\x0A\x05value\x18\x01 \x01(\x08\"\x1C\x0A\x0BStringValue\x12\x0D\x0A\x05value\x18\x01 \x01(\x09\"\x1B\x0A\x0ABytesValue\x12\x0D\x0A\x05value\x18\x01 \x01(\x0CB\x83\x01\x0A\x13com.google.protobufB\x0DWrappersProtoP\x01Z1google.golang.org/protobuf/types/known/wrapperspb\xF8\x01\x01\xA2\x02\x03GPB\xAA\x02\x1EGoogle.Protobuf.WellKnownTypesb\x06proto3"
-Ç
-google/protobuf/wrappers.protogoogle.protobuf"
-DoubleValue
-value
 
(
"
-
-FloatValue
-value
 
("
-
-Int64Value
-value
 
("
-UInt64Value
-value
 
("
-
-Int32Value
-value
 
("
-UInt32Value
-value
 
(
"
-	BoolValue
-value
 
("
-StringValue
-value
 
(	"
-
-BytesValue
-value
 
(Bƒ

-com.google.protobufB
WrappersProtoP
Z1google.golang.org/protobuf/types/known/wrapperspbø

¢GPBªGoogle.Protobuf.WellKnownTypesbproto3'
         , true);
 
         static::$is_initialized = true;

php/src/Google/Protobuf/Any.php

@@ -1,5 +1,6 @@
 <?php
 # Generated by the protocol buffer compiler.  DO NOT EDIT!
+# NO CHECKED-IN PROTOBUF GENCODE
 # source: google/protobuf/any.proto
 
 namespace Google\Protobuf;
@@ -32,7 +33,7 @@ use Google\Protobuf\Internal\GPBUtil;
  *     if (any.isSameTypeAs(Foo.getDefaultInstance())) {
  *       foo = any.unpack(Foo.getDefaultInstance());
  *     }
- * Example 3: Pack and unpack a message in Python.
+ *  Example 3: Pack and unpack a message in Python.
  *     foo = Foo(...)
  *     any = Any()
  *     any.Pack(foo)
@@ -40,7 +41,7 @@ use Google\Protobuf\Internal\GPBUtil;
  *     if any.Is(Foo.DESCRIPTOR):
  *       any.Unpack(foo)
  *       ...
- * Example 4: Pack and unpack a message in Go
+ *  Example 4: Pack and unpack a message in Go
  *      foo := &pb.Foo{...}
  *      any, err := anypb.New(foo)
  *      if err != nil {
@@ -57,25 +58,26 @@ use Google\Protobuf\Internal\GPBUtil;
  * in the type URL, for example "foo.bar.com/x/y.z" will yield type
  * name "y.z".
  * JSON
+ * ====
  * The JSON representation of an `Any` value uses the regular
  * representation of the deserialized, embedded message, with an
- * additional field `&#64;type` which contains the type URL. Example:
+ * additional field `\@type` which contains the type URL. Example:
  *     package google.profile;
  *     message Person {
  *       string first_name = 1;
  *       string last_name = 2;
  *     }
  *     {
- *       "&#64;type": "type.googleapis.com/google.profile.Person",
+ *       "\@type": "type.googleapis.com/google.profile.Person",
  *       "firstName": <string>,
  *       "lastName": <string>
  *     }
  * If the embedded message type is well-known and has a custom JSON
  * representation, that representation will be embedded adding a field
- * `value` which holds the custom JSON in addition to the `&#64;type`
+ * `value` which holds the custom JSON in addition to the `\@type`
  * field. Example (for message [google.protobuf.Duration][]):
  *     {
- *       "&#64;type": "type.googleapis.com/google.protobuf.Duration",
+ *       "\@type": "type.googleapis.com/google.protobuf.Duration",
  *       "value": "1.212s"
  *     }
  *
@@ -104,7 +106,8 @@ class Any extends \Google\Protobuf\Internal\AnyBase
      *   breaking changes.)
      * Note: this functionality is not currently available in the official
      * protobuf release, and it is not used for type URLs beginning with
-     * type.googleapis.com.
+     * type.googleapis.com. As of May 2023, there are no widely used type server
+     * implementations and no plans to implement one.
      * Schemes other than `http`, `https` (or the empty scheme) might be
      * used with implementation specific semantics.
      *
@@ -145,7 +148,8 @@ class Any extends \Google\Protobuf\Internal\AnyBase
      *             breaking changes.)
      *           Note: this functionality is not currently available in the official
      *           protobuf release, and it is not used for type URLs beginning with
-     *           type.googleapis.com.
+     *           type.googleapis.com. As of May 2023, there are no widely used type server
+     *           implementations and no plans to implement one.
      *           Schemes other than `http`, `https` (or the empty scheme) might be
      *           used with implementation specific semantics.
      *     @type string $value
@@ -178,7 +182,8 @@ class Any extends \Google\Protobuf\Internal\AnyBase
      *   breaking changes.)
      * Note: this functionality is not currently available in the official
      * protobuf release, and it is not used for type URLs beginning with
-     * type.googleapis.com.
+     * type.googleapis.com. As of May 2023, there are no widely used type server
+     * implementations and no plans to implement one.
      * Schemes other than `http`, `https` (or the empty scheme) might be
      * used with implementation specific semantics.
      *
@@ -211,7 +216,8 @@ class Any extends \Google\Protobuf\Internal\AnyBase
      *   breaking changes.)
      * Note: this functionality is not currently available in the official
      * protobuf release, and it is not used for type URLs beginning with
-     * type.googleapis.com.
+     * type.googleapis.com. As of May 2023, there are no widely used type server
+     * implementations and no plans to implement one.
      * Schemes other than `http`, `https` (or the empty scheme) might be
      * used with implementation specific semantics.
      *

php/src/Google/Protobuf/Api.php

@@ -1,5 +1,6 @@
 <?php
 # Generated by the protocol buffer compiler.  DO NOT EDIT!
+# NO CHECKED-IN PROTOBUF GENCODE
 # source: google/protobuf/api.proto
 
 namespace Google\Protobuf;

php/src/Google/Protobuf/BoolValue.php

@@ -1,5 +1,6 @@
 <?php
 # Generated by the protocol buffer compiler.  DO NOT EDIT!
+# NO CHECKED-IN PROTOBUF GENCODE
 # source: google/protobuf/wrappers.proto
 
 namespace Google\Protobuf;

php/src/Google/Protobuf/BytesValue.php

@@ -1,5 +1,6 @@
 <?php
 # Generated by the protocol buffer compiler.  DO NOT EDIT!
+# NO CHECKED-IN PROTOBUF GENCODE
 # source: google/protobuf/wrappers.proto
 
 namespace Google\Protobuf;

php/src/Google/Protobuf/DoubleValue.php

@@ -1,5 +1,6 @@
 <?php
 # Generated by the protocol buffer compiler.  DO NOT EDIT!
+# NO CHECKED-IN PROTOBUF GENCODE
 # source: google/protobuf/wrappers.proto
 
 namespace Google\Protobuf;

php/src/Google/Protobuf/Duration.php

@@ -1,5 +1,6 @@
 <?php
 # Generated by the protocol buffer compiler.  DO NOT EDIT!
+# NO CHECKED-IN PROTOBUF GENCODE
 # source: google/protobuf/duration.proto
 
 namespace Google\Protobuf;

php/src/Google/Protobuf/Enum.php

@@ -1,5 +1,6 @@
 <?php
 # Generated by the protocol buffer compiler.  DO NOT EDIT!
+# NO CHECKED-IN PROTOBUF GENCODE
 # source: google/protobuf/type.proto
 
 namespace Google\Protobuf;
@@ -45,6 +46,12 @@ class Enum extends \Google\Protobuf\Internal\Message
      * Generated from protobuf field <code>.google.protobuf.Syntax syntax = 5;</code>
      */
     protected $syntax = 0;
+    /**
+     * The source edition string, only valid when syntax is SYNTAX_EDITIONS.
+     *
+     * Generated from protobuf field <code>string edition = 6;</code>
+     */
+    protected $edition = '';
 
     /**
      * Constructor.
@@ -62,6 +69,8 @@ class Enum extends \Google\Protobuf\Internal\Message
      *           The source context.
      *     @type int $syntax
      *           The source syntax.
+     *     @type string $edition
+     *           The source edition string, only valid when syntax is SYNTAX_EDITIONS.
      * }
      */
     public function __construct($data = NULL) {
@@ -209,5 +218,31 @@ class Enum extends \Google\Protobuf\Internal\Message
         return $this;
     }
 
+    /**
+     * The source edition string, only valid when syntax is SYNTAX_EDITIONS.
+     *
+     * Generated from protobuf field <code>string edition = 6;</code>
+     * @return string
+     */
+    public function getEdition()
+    {
+        return $this->edition;
+    }
+
+    /**
+     * The source edition string, only valid when syntax is SYNTAX_EDITIONS.
+     *
+     * Generated from protobuf field <code>string edition = 6;</code>
+     * @param string $var
+     * @return $this
+     */
+    public function setEdition($var)
+    {
+        GPBUtil::checkString($var, True);
+        $this->edition = $var;
+
+        return $this;
+    }
+
 }
 

php/src/Google/Protobuf/EnumValue.php

@@ -1,5 +1,6 @@
 <?php
 # Generated by the protocol buffer compiler.  DO NOT EDIT!
+# NO CHECKED-IN PROTOBUF GENCODE
 # source: google/protobuf/type.proto
 
 namespace Google\Protobuf;

php/src/Google/Protobuf/Field.php

@@ -1,5 +1,6 @@
 <?php
 # Generated by the protocol buffer compiler.  DO NOT EDIT!
+# NO CHECKED-IN PROTOBUF GENCODE
 # source: google/protobuf/type.proto
 
 namespace Google\Protobuf;

php/src/Google/Protobuf/Field/Cardinality.php

@@ -1,5 +1,6 @@
 <?php
 # Generated by the protocol buffer compiler.  DO NOT EDIT!
+# NO CHECKED-IN PROTOBUF GENCODE
 # source: google/protobuf/type.proto
 
 namespace Google\Protobuf\Field;
@@ -66,6 +67,3 @@ class Cardinality
     }
 }
 
-// Adding a class alias for backwards compatibility with the previous class name.
-class_alias(Cardinality::class, \Google\Protobuf\Field_Cardinality::class);
-

php/src/Google/Protobuf/Field/Kind.php

@@ -1,5 +1,6 @@
 <?php
 # Generated by the protocol buffer compiler.  DO NOT EDIT!
+# NO CHECKED-IN PROTOBUF GENCODE
 # source: google/protobuf/type.proto
 
 namespace Google\Protobuf\Field;
@@ -171,6 +172,3 @@ class Kind
     }
 }
 
-// Adding a class alias for backwards compatibility with the previous class name.
-class_alias(Kind::class, \Google\Protobuf\Field_Kind::class);
-

php/src/Google/Protobuf/FieldMask.php

@@ -1,5 +1,6 @@
 <?php
 # Generated by the protocol buffer compiler.  DO NOT EDIT!
+# NO CHECKED-IN PROTOBUF GENCODE
 # source: google/protobuf/field_mask.proto
 
 namespace Google\Protobuf;

php/src/Google/Protobuf/FloatValue.php

@@ -1,5 +1,6 @@
 <?php
 # Generated by the protocol buffer compiler.  DO NOT EDIT!
+# NO CHECKED-IN PROTOBUF GENCODE
 # source: google/protobuf/wrappers.proto
 
 namespace Google\Protobuf;

php/src/Google/Protobuf/GPBEmpty.php

@@ -1,5 +1,6 @@
 <?php
 # Generated by the protocol buffer compiler.  DO NOT EDIT!
+# NO CHECKED-IN PROTOBUF GENCODE
 # source: google/protobuf/empty.proto
 
 namespace Google\Protobuf;

php/src/Google/Protobuf/Int32Value.php

@@ -1,5 +1,6 @@
 <?php
 # Generated by the protocol buffer compiler.  DO NOT EDIT!
+# NO CHECKED-IN PROTOBUF GENCODE
 # source: google/protobuf/wrappers.proto
 
 namespace Google\Protobuf;

php/src/Google/Protobuf/Int64Value.php

@@ -1,5 +1,6 @@
 <?php
 # Generated by the protocol buffer compiler.  DO NOT EDIT!
+# NO CHECKED-IN PROTOBUF GENCODE
 # source: google/protobuf/wrappers.proto
 
 namespace Google\Protobuf;

php/src/Google/Protobuf/Internal/DescriptorProto.php

@@ -1,5 +1,6 @@
 <?php
 # Generated by the protocol buffer compiler.  DO NOT EDIT!
+# NO CHECKED-IN PROTOBUF GENCODE
 # source: google/protobuf/descriptor.proto
 
 namespace Google\Protobuf\Internal;

php/src/Google/Protobuf/Internal/DescriptorProto/ExtensionRange.php

@@ -1,5 +1,6 @@
 <?php
 # Generated by the protocol buffer compiler.  DO NOT EDIT!
+# NO CHECKED-IN PROTOBUF GENCODE
 # source: google/protobuf/descriptor.proto
 
 namespace Google\Protobuf\Internal\DescriptorProto;
@@ -156,6 +157,3 @@ class ExtensionRange extends \Google\Protobuf\Internal\Message
 
 }
 
-// Adding a class alias for backwards compatibility with the previous class name.
-class_alias(ExtensionRange::class, \Google\Protobuf\Internal\DescriptorProto_ExtensionRange::class);
-

php/src/Google/Protobuf/Internal/DescriptorProto/ReservedRange.php

@@ -1,5 +1,6 @@
 <?php
 # Generated by the protocol buffer compiler.  DO NOT EDIT!
+# NO CHECKED-IN PROTOBUF GENCODE
 # source: google/protobuf/descriptor.proto
 
 namespace Google\Protobuf\Internal\DescriptorProto;
@@ -123,6 +124,3 @@ class ReservedRange extends \Google\Protobuf\Internal\Message
 
 }
 
-// Adding a class alias for backwards compatibility with the previous class name.
-class_alias(ReservedRange::class, \Google\Protobuf\Internal\DescriptorProto_ReservedRange::class);
-

php/src/Google/Protobuf/Internal/Edition.php

@@ -0,0 +1,122 @@
+<?php
+# Generated by the protocol buffer compiler.  DO NOT EDIT!
+# NO CHECKED-IN PROTOBUF GENCODE
+# source: google/protobuf/descriptor.proto
+
+namespace Google\Protobuf\Internal;
+
+use UnexpectedValueException;
+
+/**
+ * The full set of known editions.
+ *
+ * Protobuf type <code>google.protobuf.Edition</code>
+ */
+class Edition
+{
+    /**
+     * A placeholder for an unknown edition value.
+     *
+     * Generated from protobuf enum <code>EDITION_UNKNOWN = 0;</code>
+     */
+    const EDITION_UNKNOWN = 0;
+    /**
+     * A placeholder edition for specifying default behaviors *before* a feature
+     * was first introduced.  This is effectively an "infinite past".
+     *
+     * Generated from protobuf enum <code>EDITION_LEGACY = 900;</code>
+     */
+    const EDITION_LEGACY = 900;
+    /**
+     * Legacy syntax "editions".  These pre-date editions, but behave much like
+     * distinct editions.  These can't be used to specify the edition of proto
+     * files, but feature definitions must supply proto2/proto3 defaults for
+     * backwards compatibility.
+     *
+     * Generated from protobuf enum <code>EDITION_PROTO2 = 998;</code>
+     */
+    const EDITION_PROTO2 = 998;
+    /**
+     * Generated from protobuf enum <code>EDITION_PROTO3 = 999;</code>
+     */
+    const EDITION_PROTO3 = 999;
+    /**
+     * Editions that have been released.  The specific values are arbitrary and
+     * should not be depended on, but they will always be time-ordered for easy
+     * comparison.
+     *
+     * Generated from protobuf enum <code>EDITION_2023 = 1000;</code>
+     */
+    const EDITION_2023 = 1000;
+    /**
+     * Generated from protobuf enum <code>EDITION_2024 = 1001;</code>
+     */
+    const EDITION_2024 = 1001;
+    /**
+     * Placeholder editions for testing feature resolution.  These should not be
+     * used or relied on outside of tests.
+     *
+     * Generated from protobuf enum <code>EDITION_1_TEST_ONLY = 1;</code>
+     */
+    const EDITION_1_TEST_ONLY = 1;
+    /**
+     * Generated from protobuf enum <code>EDITION_2_TEST_ONLY = 2;</code>
+     */
+    const EDITION_2_TEST_ONLY = 2;
+    /**
+     * Generated from protobuf enum <code>EDITION_99997_TEST_ONLY = 99997;</code>
+     */
+    const EDITION_99997_TEST_ONLY = 99997;
+    /**
+     * Generated from protobuf enum <code>EDITION_99998_TEST_ONLY = 99998;</code>
+     */
+    const EDITION_99998_TEST_ONLY = 99998;
+    /**
+     * Generated from protobuf enum <code>EDITION_99999_TEST_ONLY = 99999;</code>
+     */
+    const EDITION_99999_TEST_ONLY = 99999;
+    /**
+     * Placeholder for specifying unbounded edition support.  This should only
+     * ever be used by plugins that can expect to never require any changes to
+     * support a new edition.
+     *
+     * Generated from protobuf enum <code>EDITION_MAX = 2147483647;</code>
+     */
+    const EDITION_MAX = 2147483647;
+
+    private static $valueToName = [
+        self::EDITION_UNKNOWN => 'EDITION_UNKNOWN',
+        self::EDITION_LEGACY => 'EDITION_LEGACY',
+        self::EDITION_PROTO2 => 'EDITION_PROTO2',
+        self::EDITION_PROTO3 => 'EDITION_PROTO3',
+        self::EDITION_2023 => 'EDITION_2023',
+        self::EDITION_2024 => 'EDITION_2024',
+        self::EDITION_1_TEST_ONLY => 'EDITION_1_TEST_ONLY',
+        self::EDITION_2_TEST_ONLY => 'EDITION_2_TEST_ONLY',
+        self::EDITION_99997_TEST_ONLY => 'EDITION_99997_TEST_ONLY',
+        self::EDITION_99998_TEST_ONLY => 'EDITION_99998_TEST_ONLY',
+        self::EDITION_99999_TEST_ONLY => 'EDITION_99999_TEST_ONLY',
+        self::EDITION_MAX => 'EDITION_MAX',
+    ];
+
+    public static function name($value)
+    {
+        if (!isset(self::$valueToName[$value])) {
+            throw new UnexpectedValueException(sprintf(
+                    'Enum %s has no name defined for value %s', __CLASS__, $value));
+        }
+        return self::$valueToName[$value];
+    }
+
+
+    public static function value($name)
+    {
+        $const = __CLASS__ . '::' . strtoupper($name);
+        if (!defined($const)) {
+            throw new UnexpectedValueException(sprintf(
+                    'Enum %s has no value defined for name %s', __CLASS__, $name));
+        }
+        return constant($const);
+    }
+}
+

php/src/Google/Protobuf/Internal/EnumDescriptorProto.php

@@ -1,5 +1,6 @@
 <?php
 # Generated by the protocol buffer compiler.  DO NOT EDIT!
+# NO CHECKED-IN PROTOBUF GENCODE
 # source: google/protobuf/descriptor.proto
 
 namespace Google\Protobuf\Internal;

php/src/Google/Protobuf/Internal/EnumDescriptorProto/EnumReservedRange.php

@@ -1,5 +1,6 @@
 <?php
 # Generated by the protocol buffer compiler.  DO NOT EDIT!
+# NO CHECKED-IN PROTOBUF GENCODE
 # source: google/protobuf/descriptor.proto
 
 namespace Google\Protobuf\Internal\EnumDescriptorProto;
@@ -125,6 +126,3 @@ class EnumReservedRange extends \Google\Protobuf\Internal\Message
 
 }
 
-// Adding a class alias for backwards compatibility with the previous class name.
-class_alias(EnumReservedRange::class, \Google\Protobuf\Internal\EnumDescriptorProto_EnumReservedRange::class);
-

php/src/Google/Protobuf/Internal/EnumOptions.php

@@ -1,5 +1,6 @@
 <?php
 # Generated by the protocol buffer compiler.  DO NOT EDIT!
+# NO CHECKED-IN PROTOBUF GENCODE
 # source: google/protobuf/descriptor.proto
 
 namespace Google\Protobuf\Internal;
@@ -43,6 +44,12 @@ class EnumOptions extends \Google\Protobuf\Internal\Message
      * @deprecated
      */
     protected $deprecated_legacy_json_field_conflicts = null;
+    /**
+     * Any features defined in the specific edition.
+     *
+     * Generated from protobuf field <code>optional .google.protobuf.FeatureSet features = 7;</code>
+     */
+    protected $features = null;
     /**
      * The parser stores options it doesn't recognize here. See above.
      *
@@ -71,6 +78,8 @@ class EnumOptions extends \Google\Protobuf\Internal\Message
      *           well.
      *           TODO Remove this legacy behavior once downstream teams have
      *           had time to migrate.
+     *     @type \Google\Protobuf\Internal\FeatureSet $features
+     *           Any features defined in the specific edition.
      *     @type array<\Google\Protobuf\Internal\UninterpretedOption>|\Google\Protobuf\Internal\RepeatedField $uninterpreted_option
      *           The parser stores options it doesn't recognize here. See above.
      * }
@@ -174,13 +183,17 @@ class EnumOptions extends \Google\Protobuf\Internal\Message
      */
     public function getDeprecatedLegacyJsonFieldConflicts()
     {
-        @trigger_error('deprecated_legacy_json_field_conflicts is deprecated.', E_USER_DEPRECATED);
+        if (isset($this->deprecated_legacy_json_field_conflicts)) {
+            @trigger_error('deprecated_legacy_json_field_conflicts is deprecated.', E_USER_DEPRECATED);
+        }
         return isset($this->deprecated_legacy_json_field_conflicts) ? $this->deprecated_legacy_json_field_conflicts : false;
     }
 
     public function hasDeprecatedLegacyJsonFieldConflicts()
     {
-        @trigger_error('deprecated_legacy_json_field_conflicts is deprecated.', E_USER_DEPRECATED);
+        if (isset($this->deprecated_legacy_json_field_conflicts)) {
+            @trigger_error('deprecated_legacy_json_field_conflicts is deprecated.', E_USER_DEPRECATED);
+        }
         return isset($this->deprecated_legacy_json_field_conflicts);
     }
 
@@ -212,6 +225,42 @@ class EnumOptions extends \Google\Protobuf\Internal\Message
         return $this;
     }
 
+    /**
+     * Any features defined in the specific edition.
+     *
+     * Generated from protobuf field <code>optional .google.protobuf.FeatureSet features = 7;</code>
+     * @return \Google\Protobuf\Internal\FeatureSet|null
+     */
+    public function getFeatures()
+    {
+        return $this->features;
+    }
+
+    public function hasFeatures()
+    {
+        return isset($this->features);
+    }
+
+    public function clearFeatures()
+    {
+        unset($this->features);
+    }
+
+    /**
+     * Any features defined in the specific edition.
+     *
+     * Generated from protobuf field <code>optional .google.protobuf.FeatureSet features = 7;</code>
+     * @param \Google\Protobuf\Internal\FeatureSet $var
+     * @return $this
+     */
+    public function setFeatures($var)
+    {
+        GPBUtil::checkMessage($var, \Google\Protobuf\Internal\FeatureSet::class);
+        $this->features = $var;
+
+        return $this;
+    }
+
     /**
      * The parser stores options it doesn't recognize here. See above.
      *

php/src/Google/Protobuf/Internal/EnumValueDescriptorProto.php

@@ -1,5 +1,6 @@
 <?php
 # Generated by the protocol buffer compiler.  DO NOT EDIT!
+# NO CHECKED-IN PROTOBUF GENCODE
 # source: google/protobuf/descriptor.proto
 
 namespace Google\Protobuf\Internal;

php/src/Google/Protobuf/Internal/EnumValueOptions.php

@@ -1,5 +1,6 @@
 <?php
 # Generated by the protocol buffer compiler.  DO NOT EDIT!
+# NO CHECKED-IN PROTOBUF GENCODE
 # source: google/protobuf/descriptor.proto
 
 namespace Google\Protobuf\Internal;
@@ -24,6 +25,26 @@ class EnumValueOptions extends \Google\Protobuf\Internal\Message
      * Generated from protobuf field <code>optional bool deprecated = 1 [default = false];</code>
      */
     protected $deprecated = null;
+    /**
+     * Any features defined in the specific edition.
+     *
+     * Generated from protobuf field <code>optional .google.protobuf.FeatureSet features = 2;</code>
+     */
+    protected $features = null;
+    /**
+     * Indicate that fields annotated with this enum value should not be printed
+     * out when using debug formats, e.g. when the field contains sensitive
+     * credentials.
+     *
+     * Generated from protobuf field <code>optional bool debug_redact = 3 [default = false];</code>
+     */
+    protected $debug_redact = null;
+    /**
+     * Information about the support window of a feature value.
+     *
+     * Generated from protobuf field <code>optional .google.protobuf.FieldOptions.FeatureSupport feature_support = 4;</code>
+     */
+    protected $feature_support = null;
     /**
      * The parser stores options it doesn't recognize here. See above.
      *
@@ -42,6 +63,14 @@ class EnumValueOptions extends \Google\Protobuf\Internal\Message
      *           Depending on the target platform, this can emit Deprecated annotations
      *           for the enum value, or it will be completely ignored; in the very least,
      *           this is a formalization for deprecating enum values.
+     *     @type \Google\Protobuf\Internal\FeatureSet $features
+     *           Any features defined in the specific edition.
+     *     @type bool $debug_redact
+     *           Indicate that fields annotated with this enum value should not be printed
+     *           out when using debug formats, e.g. when the field contains sensitive
+     *           credentials.
+     *     @type \Google\Protobuf\Internal\FieldOptions\FeatureSupport $feature_support
+     *           Information about the support window of a feature value.
      *     @type array<\Google\Protobuf\Internal\UninterpretedOption>|\Google\Protobuf\Internal\RepeatedField $uninterpreted_option
      *           The parser stores options it doesn't recognize here. See above.
      * }
@@ -93,6 +122,118 @@ class EnumValueOptions extends \Google\Protobuf\Internal\Message
         return $this;
     }
 
+    /**
+     * Any features defined in the specific edition.
+     *
+     * Generated from protobuf field <code>optional .google.protobuf.FeatureSet features = 2;</code>
+     * @return \Google\Protobuf\Internal\FeatureSet|null
+     */
+    public function getFeatures()
+    {
+        return $this->features;
+    }
+
+    public function hasFeatures()
+    {
+        return isset($this->features);
+    }
+
+    public function clearFeatures()
+    {
+        unset($this->features);
+    }
+
+    /**
+     * Any features defined in the specific edition.
+     *
+     * Generated from protobuf field <code>optional .google.protobuf.FeatureSet features = 2;</code>
+     * @param \Google\Protobuf\Internal\FeatureSet $var
+     * @return $this
+     */
+    public function setFeatures($var)
+    {
+        GPBUtil::checkMessage($var, \Google\Protobuf\Internal\FeatureSet::class);
+        $this->features = $var;
+
+        return $this;
+    }
+
+    /**
+     * Indicate that fields annotated with this enum value should not be printed
+     * out when using debug formats, e.g. when the field contains sensitive
+     * credentials.
+     *
+     * Generated from protobuf field <code>optional bool debug_redact = 3 [default = false];</code>
+     * @return bool
+     */
+    public function getDebugRedact()
+    {
+        return isset($this->debug_redact) ? $this->debug_redact : false;
+    }
+
+    public function hasDebugRedact()
+    {
+        return isset($this->debug_redact);
+    }
+
+    public function clearDebugRedact()
+    {
+        unset($this->debug_redact);
+    }
+
+    /**
+     * Indicate that fields annotated with this enum value should not be printed
+     * out when using debug formats, e.g. when the field contains sensitive
+     * credentials.
+     *
+     * Generated from protobuf field <code>optional bool debug_redact = 3 [default = false];</code>
+     * @param bool $var
+     * @return $this
+     */
+    public function setDebugRedact($var)
+    {
+        GPBUtil::checkBool($var);
+        $this->debug_redact = $var;
+
+        return $this;
+    }
+
+    /**
+     * Information about the support window of a feature value.
+     *
+     * Generated from protobuf field <code>optional .google.protobuf.FieldOptions.FeatureSupport feature_support = 4;</code>
+     * @return \Google\Protobuf\Internal\FieldOptions\FeatureSupport|null
+     */
+    public function getFeatureSupport()
+    {
+        return $this->feature_support;
+    }
+
+    public function hasFeatureSupport()
+    {
+        return isset($this->feature_support);
+    }
+
+    public function clearFeatureSupport()
+    {
+        unset($this->feature_support);
+    }
+
+    /**
+     * Information about the support window of a feature value.
+     *
+     * Generated from protobuf field <code>optional .google.protobuf.FieldOptions.FeatureSupport feature_support = 4;</code>
+     * @param \Google\Protobuf\Internal\FieldOptions\FeatureSupport $var
+     * @return $this
+     */
+    public function setFeatureSupport($var)
+    {
+        GPBUtil::checkMessage($var, \Google\Protobuf\Internal\FieldOptions\FeatureSupport::class);
+        $this->feature_support = $var;
+
+        return $this;
+    }
+
     /**
      * The parser stores options it doesn't recognize here. See above.
      *

php/src/Google/Protobuf/Internal/ExtensionRangeOptions.php

@@ -1,5 +1,6 @@
 <?php
 # Generated by the protocol buffer compiler.  DO NOT EDIT!
+# NO CHECKED-IN PROTOBUF GENCODE
 # source: google/protobuf/descriptor.proto
 
 namespace Google\Protobuf\Internal;
@@ -21,6 +22,28 @@ class ExtensionRangeOptions extends \Google\Protobuf\Internal\Message
      * Generated from protobuf field <code>repeated .google.protobuf.UninterpretedOption uninterpreted_option = 999;</code>
      */
     private $uninterpreted_option;
+    /**
+     * For external users: DO NOT USE. We are in the process of open sourcing
+     * extension declaration and executing internal cleanups before it can be
+     * used externally.
+     *
+     * Generated from protobuf field <code>repeated .google.protobuf.ExtensionRangeOptions.Declaration declaration = 2 [retention = RETENTION_SOURCE];</code>
+     */
+    private $declaration;
+    /**
+     * Any features defined in the specific edition.
+     *
+     * Generated from protobuf field <code>optional .google.protobuf.FeatureSet features = 50;</code>
+     */
+    protected $features = null;
+    /**
+     * The verification state of the range.
+     * TODO: flip the default to DECLARATION once all empty ranges
+     * are marked as UNVERIFIED.
+     *
+     * Generated from protobuf field <code>optional .google.protobuf.ExtensionRangeOptions.VerificationState verification = 3 [default = UNVERIFIED, retention = RETENTION_SOURCE];</code>
+     */
+    protected $verification = null;
 
     /**
      * Constructor.
@@ -30,6 +53,16 @@ class ExtensionRangeOptions extends \Google\Protobuf\Internal\Message
      *
      *     @type array<\Google\Protobuf\Internal\UninterpretedOption>|\Google\Protobuf\Internal\RepeatedField $uninterpreted_option
      *           The parser stores options it doesn't recognize here. See above.
+     *     @type array<\Google\Protobuf\Internal\ExtensionRangeOptions\Declaration>|\Google\Protobuf\Internal\RepeatedField $declaration
+     *           For external users: DO NOT USE. We are in the process of open sourcing
+     *           extension declaration and executing internal cleanups before it can be
+     *           used externally.
+     *     @type \Google\Protobuf\Internal\FeatureSet $features
+     *           Any features defined in the specific edition.
+     *     @type int $verification
+     *           The verification state of the range.
+     *           TODO: flip the default to DECLARATION once all empty ranges
+     *           are marked as UNVERIFIED.
      * }
      */
     public function __construct($data = NULL) {
@@ -63,5 +96,111 @@ class ExtensionRangeOptions extends \Google\Protobuf\Internal\Message
         return $this;
     }
 
+    /**
+     * For external users: DO NOT USE. We are in the process of open sourcing
+     * extension declaration and executing internal cleanups before it can be
+     * used externally.
+     *
+     * Generated from protobuf field <code>repeated .google.protobuf.ExtensionRangeOptions.Declaration declaration = 2 [retention = RETENTION_SOURCE];</code>
+     * @return \Google\Protobuf\Internal\RepeatedField
+     */
+    public function getDeclaration()
+    {
+        return $this->declaration;
+    }
+
+    /**
+     * For external users: DO NOT USE. We are in the process of open sourcing
+     * extension declaration and executing internal cleanups before it can be
+     * used externally.
+     *
+     * Generated from protobuf field <code>repeated .google.protobuf.ExtensionRangeOptions.Declaration declaration = 2 [retention = RETENTION_SOURCE];</code>
+     * @param array<\Google\Protobuf\Internal\ExtensionRangeOptions\Declaration>|\Google\Protobuf\Internal\RepeatedField $var
+     * @return $this
+     */
+    public function setDeclaration($var)
+    {
+        $arr = GPBUtil::checkRepeatedField($var, \Google\Protobuf\Internal\GPBType::MESSAGE, \Google\Protobuf\Internal\ExtensionRangeOptions\Declaration::class);
+        $this->declaration = $arr;
+
+        return $this;
+    }
+
+    /**
+     * Any features defined in the specific edition.
+     *
+     * Generated from protobuf field <code>optional .google.protobuf.FeatureSet features = 50;</code>
+     * @return \Google\Protobuf\Internal\FeatureSet|null
+     */
+    public function getFeatures()
+    {
+        return $this->features;
+    }
+
+    public function hasFeatures()
+    {
+        return isset($this->features);
+    }
+
+    public function clearFeatures()
+    {
+        unset($this->features);
+    }
+
+    /**
+     * Any features defined in the specific edition.
+     *
+     * Generated from protobuf field <code>optional .google.protobuf.FeatureSet features = 50;</code>
+     * @param \Google\Protobuf\Internal\FeatureSet $var
+     * @return $this
+     */
+    public function setFeatures($var)
+    {
+        GPBUtil::checkMessage($var, \Google\Protobuf\Internal\FeatureSet::class);
+        $this->features = $var;
+
+        return $this;
+    }
+
+    /**
+     * The verification state of the range.
+     * TODO: flip the default to DECLARATION once all empty ranges
+     * are marked as UNVERIFIED.
+     *
+     * Generated from protobuf field <code>optional .google.protobuf.ExtensionRangeOptions.VerificationState verification = 3 [default = UNVERIFIED, retention = RETENTION_SOURCE];</code>
+     * @return int
+     */
+    public function getVerification()
+    {
+        return isset($this->verification) ? $this->verification : 0;
+    }
+
+    public function hasVerification()
+    {
+        return isset($this->verification);
+    }
+
+    public function clearVerification()
+    {
+        unset($this->verification);
+    }
+
+    /**
+     * The verification state of the range.
+     * TODO: flip the default to DECLARATION once all empty ranges
+     * are marked as UNVERIFIED.
+     *
+     * Generated from protobuf field <code>optional .google.protobuf.ExtensionRangeOptions.VerificationState verification = 3 [default = UNVERIFIED, retention = RETENTION_SOURCE];</code>
+     * @param int $var
+     * @return $this
+     */
+    public function setVerification($var)
+    {
+        GPBUtil::checkEnum($var, \Google\Protobuf\Internal\ExtensionRangeOptions\VerificationState::class);
+        $this->verification = $var;
+
+        return $this;
+    }
+
 }
 

php/src/Google/Protobuf/Internal/ExtensionRangeOptions/Declaration.php

@@ -0,0 +1,278 @@
+<?php
+# Generated by the protocol buffer compiler.  DO NOT EDIT!
+# NO CHECKED-IN PROTOBUF GENCODE
+# source: google/protobuf/descriptor.proto
+
+namespace Google\Protobuf\Internal\ExtensionRangeOptions;
+
+use Google\Protobuf\Internal\GPBType;
+use Google\Protobuf\Internal\GPBWire;
+use Google\Protobuf\Internal\RepeatedField;
+use Google\Protobuf\Internal\InputStream;
+use Google\Protobuf\Internal\GPBUtil;
+
+/**
+ * Generated from protobuf message <code>google.protobuf.ExtensionRangeOptions.Declaration</code>
+ */
+class Declaration extends \Google\Protobuf\Internal\Message
+{
+    /**
+     * The extension number declared within the extension range.
+     *
+     * Generated from protobuf field <code>optional int32 number = 1;</code>
+     */
+    protected $number = null;
+    /**
+     * The fully-qualified name of the extension field. There must be a leading
+     * dot in front of the full name.
+     *
+     * Generated from protobuf field <code>optional string full_name = 2;</code>
+     */
+    protected $full_name = null;
+    /**
+     * The fully-qualified type name of the extension field. Unlike
+     * Metadata.type, Declaration.type must have a leading dot for messages
+     * and enums.
+     *
+     * Generated from protobuf field <code>optional string type = 3;</code>
+     */
+    protected $type = null;
+    /**
+     * If true, indicates that the number is reserved in the extension range,
+     * and any extension field with the number will fail to compile. Set this
+     * when a declared extension field is deleted.
+     *
+     * Generated from protobuf field <code>optional bool reserved = 5;</code>
+     */
+    protected $reserved = null;
+    /**
+     * If true, indicates that the extension must be defined as repeated.
+     * Otherwise the extension must be defined as optional.
+     *
+     * Generated from protobuf field <code>optional bool repeated = 6;</code>
+     */
+    protected $repeated = null;
+
+    /**
+     * Constructor.
+     *
+     * @param array $data {
+     *     Optional. Data for populating the Message object.
+     *
+     *     @type int $number
+     *           The extension number declared within the extension range.
+     *     @type string $full_name
+     *           The fully-qualified name of the extension field. There must be a leading
+     *           dot in front of the full name.
+     *     @type string $type
+     *           The fully-qualified type name of the extension field. Unlike
+     *           Metadata.type, Declaration.type must have a leading dot for messages
+     *           and enums.
+     *     @type bool $reserved
+     *           If true, indicates that the number is reserved in the extension range,
+     *           and any extension field with the number will fail to compile. Set this
+     *           when a declared extension field is deleted.
+     *     @type bool $repeated
+     *           If true, indicates that the extension must be defined as repeated.
+     *           Otherwise the extension must be defined as optional.
+     * }
+     */
+    public function __construct($data = NULL) {
+        \GPBMetadata\Google\Protobuf\Internal\Descriptor::initOnce();
+        parent::__construct($data);
+    }
+
+    /**
+     * The extension number declared within the extension range.
+     *
+     * Generated from protobuf field <code>optional int32 number = 1;</code>
+     * @return int
+     */
+    public function getNumber()
+    {
+        return isset($this->number) ? $this->number : 0;
+    }
+
+    public function hasNumber()
+    {
+        return isset($this->number);
+    }
+
+    public function clearNumber()
+    {
+        unset($this->number);
+    }
+
+    /**
+     * The extension number declared within the extension range.
+     *
+     * Generated from protobuf field <code>optional int32 number = 1;</code>
+     * @param int $var
+     * @return $this
+     */
+    public function setNumber($var)
+    {
+        GPBUtil::checkInt32($var);
+        $this->number = $var;
+
+        return $this;
+    }
+
+    /**
+     * The fully-qualified name of the extension field. There must be a leading
+     * dot in front of the full name.
+     *
+     * Generated from protobuf field <code>optional string full_name = 2;</code>
+     * @return string
+     */
+    public function getFullName()
+    {
+        return isset($this->full_name) ? $this->full_name : '';
+    }
+
+    public function hasFullName()
+    {
+        return isset($this->full_name);
+    }
+
+    public function clearFullName()
+    {
+        unset($this->full_name);
+    }
+
+    /**
+     * The fully-qualified name of the extension field. There must be a leading
+     * dot in front of the full name.
+     *
+     * Generated from protobuf field <code>optional string full_name = 2;</code>
+     * @param string $var
+     * @return $this
+     */
+    public function setFullName($var)
+    {
+        GPBUtil::checkString($var, True);
+        $this->full_name = $var;
+
+        return $this;
+    }
+
+    /**
+     * The fully-qualified type name of the extension field. Unlike
+     * Metadata.type, Declaration.type must have a leading dot for messages
+     * and enums.
+     *
+     * Generated from protobuf field <code>optional string type = 3;</code>
+     * @return string
+     */
+    public function getType()
+    {
+        return isset($this->type) ? $this->type : '';
+    }
+
+    public function hasType()
+    {
+        return isset($this->type);
+    }
+
+    public function clearType()
+    {
+        unset($this->type);
+    }
+
+    /**
+     * The fully-qualified type name of the extension field. Unlike
+     * Metadata.type, Declaration.type must have a leading dot for messages
+     * and enums.
+     *
+     * Generated from protobuf field <code>optional string type = 3;</code>
+     * @param string $var
+     * @return $this
+     */
+    public function setType($var)
+    {
+        GPBUtil::checkString($var, True);
+        $this->type = $var;
+
+        return $this;
+    }
+
+    /**
+     * If true, indicates that the number is reserved in the extension range,
+     * and any extension field with the number will fail to compile. Set this
+     * when a declared extension field is deleted.
+     *
+     * Generated from protobuf field <code>optional bool reserved = 5;</code>
+     * @return bool
+     */
+    public function getReserved()
+    {
+        return isset($this->reserved) ? $this->reserved : false;
+    }
+
+    public function hasReserved()
+    {
+        return isset($this->reserved);
+    }
+
+    public function clearReserved()
+    {
+        unset($this->reserved);
+    }
+
+    /**
+     * If true, indicates that the number is reserved in the extension range,
+     * and any extension field with the number will fail to compile. Set this
+     * when a declared extension field is deleted.
+     *
+     * Generated from protobuf field <code>optional bool reserved = 5;</code>
+     * @param bool $var
+     * @return $this
+     */
+    public function setReserved($var)
+    {
+        GPBUtil::checkBool($var);
+        $this->reserved = $var;
+
+        return $this;
+    }
+
+    /**
+     * If true, indicates that the extension must be defined as repeated.
+     * Otherwise the extension must be defined as optional.
+     *
+     * Generated from protobuf field <code>optional bool repeated = 6;</code>
+     * @return bool
+     */
+    public function getRepeated()
+    {
+        return isset($this->repeated) ? $this->repeated : false;
+    }
+
+    public function hasRepeated()
+    {
+        return isset($this->repeated);
+    }
+
+    public function clearRepeated()
+    {
+        unset($this->repeated);
+    }
+
+    /**
+     * If true, indicates that the extension must be defined as repeated.
+     * Otherwise the extension must be defined as optional.
+     *
+     * Generated from protobuf field <code>optional bool repeated = 6;</code>
+     * @param bool $var
+     * @return $this
+     */
+    public function setRepeated($var)
+    {
+        GPBUtil::checkBool($var);
+        $this->repeated = $var;
+
+        return $this;
+    }
+
+}
+

php/src/Google/Protobuf/Internal/ExtensionRangeOptions/VerificationState.php

@@ -0,0 +1,53 @@
+<?php
+# Generated by the protocol buffer compiler.  DO NOT EDIT!
+# NO CHECKED-IN PROTOBUF GENCODE
+# source: google/protobuf/descriptor.proto
+
+namespace Google\Protobuf\Internal\ExtensionRangeOptions;
+
+use UnexpectedValueException;
+
+/**
+ * The verification state of the extension range.
+ *
+ * Protobuf type <code>google.protobuf.ExtensionRangeOptions.VerificationState</code>
+ */
+class VerificationState
+{
+    /**
+     * All the extensions of the range must be declared.
+     *
+     * Generated from protobuf enum <code>DECLARATION = 0;</code>
+     */
+    const DECLARATION = 0;
+    /**
+     * Generated from protobuf enum <code>UNVERIFIED = 1;</code>
+     */
+    const UNVERIFIED = 1;
+
+    private static $valueToName = [
+        self::DECLARATION => 'DECLARATION',
+        self::UNVERIFIED => 'UNVERIFIED',
+    ];
+
+    public static function name($value)
+    {
+        if (!isset(self::$valueToName[$value])) {
+            throw new UnexpectedValueException(sprintf(
+                    'Enum %s has no name defined for value %s', __CLASS__, $value));
+        }
+        return self::$valueToName[$value];
+    }
+
+
+    public static function value($name)
+    {
+        $const = __CLASS__ . '::' . strtoupper($name);
+        if (!defined($const)) {
+            throw new UnexpectedValueException(sprintf(
+                    'Enum %s has no value defined for name %s', __CLASS__, $name));
+        }
+        return constant($const);
+    }
+}
+

php/src/Google/Protobuf/Internal/FeatureSet.php

@@ -0,0 +1,263 @@
+<?php
+# Generated by the protocol buffer compiler.  DO NOT EDIT!
+# NO CHECKED-IN PROTOBUF GENCODE
+# source: google/protobuf/descriptor.proto
+
+namespace Google\Protobuf\Internal;
+
+use Google\Protobuf\Internal\GPBType;
+use Google\Protobuf\Internal\GPBWire;
+use Google\Protobuf\Internal\RepeatedField;
+use Google\Protobuf\Internal\InputStream;
+use Google\Protobuf\Internal\GPBUtil;
+
+/**
+ * TODO Enums in C++ gencode (and potentially other languages) are
+ * not well scoped.  This means that each of the feature enums below can clash
+ * with each other.  The short names we've chosen maximize call-site
+ * readability, but leave us very open to this scenario.  A future feature will
+ * be designed and implemented to handle this, hopefully before we ever hit a
+ * conflict here.
+ *
+ * Generated from protobuf message <code>google.protobuf.FeatureSet</code>
+ */
+class FeatureSet extends \Google\Protobuf\Internal\Message
+{
+    /**
+     * Generated from protobuf field <code>optional .google.protobuf.FeatureSet.FieldPresence field_presence = 1 [retention = RETENTION_RUNTIME, targets = TARGET_TYPE_FIELD, targets = TARGET_TYPE_FILE, edition_defaults = {</code>
+     */
+    protected $field_presence = null;
+    /**
+     * Generated from protobuf field <code>optional .google.protobuf.FeatureSet.EnumType enum_type = 2 [retention = RETENTION_RUNTIME, targets = TARGET_TYPE_ENUM, targets = TARGET_TYPE_FILE, edition_defaults = {</code>
+     */
+    protected $enum_type = null;
+    /**
+     * Generated from protobuf field <code>optional .google.protobuf.FeatureSet.RepeatedFieldEncoding repeated_field_encoding = 3 [retention = RETENTION_RUNTIME, targets = TARGET_TYPE_FIELD, targets = TARGET_TYPE_FILE, edition_defaults = {</code>
+     */
+    protected $repeated_field_encoding = null;
+    /**
+     * Generated from protobuf field <code>optional .google.protobuf.FeatureSet.Utf8Validation utf8_validation = 4 [retention = RETENTION_RUNTIME, targets = TARGET_TYPE_FIELD, targets = TARGET_TYPE_FILE, edition_defaults = {</code>
+     */
+    protected $utf8_validation = null;
+    /**
+     * Generated from protobuf field <code>optional .google.protobuf.FeatureSet.MessageEncoding message_encoding = 5 [retention = RETENTION_RUNTIME, targets = TARGET_TYPE_FIELD, targets = TARGET_TYPE_FILE, edition_defaults = {</code>
+     */
+    protected $message_encoding = null;
+    /**
+     * Generated from protobuf field <code>optional .google.protobuf.FeatureSet.JsonFormat json_format = 6 [retention = RETENTION_RUNTIME, targets = TARGET_TYPE_MESSAGE, targets = TARGET_TYPE_ENUM, targets = TARGET_TYPE_FILE, edition_defaults = {</code>
+     */
+    protected $json_format = null;
+
+    /**
+     * Constructor.
+     *
+     * @param array $data {
+     *     Optional. Data for populating the Message object.
+     *
+     *     @type int $field_presence
+     *     @type int $enum_type
+     *     @type int $repeated_field_encoding
+     *     @type int $utf8_validation
+     *     @type int $message_encoding
+     *     @type int $json_format
+     * }
+     */
+    public function __construct($data = NULL) {
+        \GPBMetadata\Google\Protobuf\Internal\Descriptor::initOnce();
+        parent::__construct($data);
+    }
+
+    /**
+     * Generated from protobuf field <code>optional .google.protobuf.FeatureSet.FieldPresence field_presence = 1 [retention = RETENTION_RUNTIME, targets = TARGET_TYPE_FIELD, targets = TARGET_TYPE_FILE, edition_defaults = {</code>
+     * @return int
+     */
+    public function getFieldPresence()
+    {
+        return isset($this->field_presence) ? $this->field_presence : 0;
+    }
+
+    public function hasFieldPresence()
+    {
+        return isset($this->field_presence);
+    }
+
+    public function clearFieldPresence()
+    {
+        unset($this->field_presence);
+    }
+
+    /**
+     * Generated from protobuf field <code>optional .google.protobuf.FeatureSet.FieldPresence field_presence = 1 [retention = RETENTION_RUNTIME, targets = TARGET_TYPE_FIELD, targets = TARGET_TYPE_FILE, edition_defaults = {</code>
+     * @param int $var
+     * @return $this
+     */
+    public function setFieldPresence($var)
+    {
+        GPBUtil::checkEnum($var, \Google\Protobuf\Internal\FeatureSet\FieldPresence::class);
+        $this->field_presence = $var;
+
+        return $this;
+    }
+
+    /**
+     * Generated from protobuf field <code>optional .google.protobuf.FeatureSet.EnumType enum_type = 2 [retention = RETENTION_RUNTIME, targets = TARGET_TYPE_ENUM, targets = TARGET_TYPE_FILE, edition_defaults = {</code>
+     * @return int
+     */
+    public function getEnumType()
+    {
+        return isset($this->enum_type) ? $this->enum_type : 0;
+    }
+
+    public function hasEnumType()
+    {
+        return isset($this->enum_type);
+    }
+
+    public function clearEnumType()
+    {
+        unset($this->enum_type);
+    }
+
+    /**
+     * Generated from protobuf field <code>optional .google.protobuf.FeatureSet.EnumType enum_type = 2 [retention = RETENTION_RUNTIME, targets = TARGET_TYPE_ENUM, targets = TARGET_TYPE_FILE, edition_defaults = {</code>
+     * @param int $var
+     * @return $this
+     */
+    public function setEnumType($var)
+    {
+        GPBUtil::checkEnum($var, \Google\Protobuf\Internal\FeatureSet\EnumType::class);
+        $this->enum_type = $var;
+
+        return $this;
+    }
+
+    /**
+     * Generated from protobuf field <code>optional .google.protobuf.FeatureSet.RepeatedFieldEncoding repeated_field_encoding = 3 [retention = RETENTION_RUNTIME, targets = TARGET_TYPE_FIELD, targets = TARGET_TYPE_FILE, edition_defaults = {</code>
+     * @return int
+     */
+    public function getRepeatedFieldEncoding()
+    {
+        return isset($this->repeated_field_encoding) ? $this->repeated_field_encoding : 0;
+    }
+
+    public function hasRepeatedFieldEncoding()
+    {
+        return isset($this->repeated_field_encoding);
+    }
+
+    public function clearRepeatedFieldEncoding()
+    {
+        unset($this->repeated_field_encoding);
+    }
+
+    /**
+     * Generated from protobuf field <code>optional .google.protobuf.FeatureSet.RepeatedFieldEncoding repeated_field_encoding = 3 [retention = RETENTION_RUNTIME, targets = TARGET_TYPE_FIELD, targets = TARGET_TYPE_FILE, edition_defaults = {</code>
+     * @param int $var
+     * @return $this
+     */
+    public function setRepeatedFieldEncoding($var)
+    {
+        GPBUtil::checkEnum($var, \Google\Protobuf\Internal\FeatureSet\RepeatedFieldEncoding::class);
+        $this->repeated_field_encoding = $var;
+
+        return $this;
+    }
+
+    /**
+     * Generated from protobuf field <code>optional .google.protobuf.FeatureSet.Utf8Validation utf8_validation = 4 [retention = RETENTION_RUNTIME, targets = TARGET_TYPE_FIELD, targets = TARGET_TYPE_FILE, edition_defaults = {</code>
+     * @return int
+     */
+    public function getUtf8Validation()
+    {
+        return isset($this->utf8_validation) ? $this->utf8_validation : 0;
+    }
+
+    public function hasUtf8Validation()
+    {
+        return isset($this->utf8_validation);
+    }
+
+    public function clearUtf8Validation()
+    {
+        unset($this->utf8_validation);
+    }
+
+    /**
+     * Generated from protobuf field <code>optional .google.protobuf.FeatureSet.Utf8Validation utf8_validation = 4 [retention = RETENTION_RUNTIME, targets = TARGET_TYPE_FIELD, targets = TARGET_TYPE_FILE, edition_defaults = {</code>
+     * @param int $var
+     * @return $this
+     */
+    public function setUtf8Validation($var)
+    {
+        GPBUtil::checkEnum($var, \Google\Protobuf\Internal\FeatureSet\Utf8Validation::class);
+        $this->utf8_validation = $var;
+
+        return $this;
+    }
+
+    /**
+     * Generated from protobuf field <code>optional .google.protobuf.FeatureSet.MessageEncoding message_encoding = 5 [retention = RETENTION_RUNTIME, targets = TARGET_TYPE_FIELD, targets = TARGET_TYPE_FILE, edition_defaults = {</code>
+     * @return int
+     */
+    public function getMessageEncoding()
+    {
+        return isset($this->message_encoding) ? $this->message_encoding : 0;
+    }
+
+    public function hasMessageEncoding()
+    {
+        return isset($this->message_encoding);
+    }
+
+    public function clearMessageEncoding()
+    {
+        unset($this->message_encoding);
+    }
+
+    /**
+     * Generated from protobuf field <code>optional .google.protobuf.FeatureSet.MessageEncoding message_encoding = 5 [retention = RETENTION_RUNTIME, targets = TARGET_TYPE_FIELD, targets = TARGET_TYPE_FILE, edition_defaults = {</code>
+     * @param int $var
+     * @return $this
+     */
+    public function setMessageEncoding($var)
+    {
+        GPBUtil::checkEnum($var, \Google\Protobuf\Internal\FeatureSet\MessageEncoding::class);
+        $this->message_encoding = $var;
+
+        return $this;
+    }
+
+    /**
+     * Generated from protobuf field <code>optional .google.protobuf.FeatureSet.JsonFormat json_format = 6 [retention = RETENTION_RUNTIME, targets = TARGET_TYPE_MESSAGE, targets = TARGET_TYPE_ENUM, targets = TARGET_TYPE_FILE, edition_defaults = {</code>
+     * @return int
+     */
+    public function getJsonFormat()
+    {
+        return isset($this->json_format) ? $this->json_format : 0;
+    }
+
+    public function hasJsonFormat()
+    {
+        return isset($this->json_format);
+    }
+
+    public function clearJsonFormat()
+    {
+        unset($this->json_format);
+    }
+
+    /**
+     * Generated from protobuf field <code>optional .google.protobuf.FeatureSet.JsonFormat json_format = 6 [retention = RETENTION_RUNTIME, targets = TARGET_TYPE_MESSAGE, targets = TARGET_TYPE_ENUM, targets = TARGET_TYPE_FILE, edition_defaults = {</code>
+     * @param int $var
+     * @return $this
+     */
+    public function setJsonFormat($var)
+    {
+        GPBUtil::checkEnum($var, \Google\Protobuf\Internal\FeatureSet\JsonFormat::class);
+        $this->json_format = $var;
+
+        return $this;
+    }
+
+}
+

php/src/Google/Protobuf/Internal/FeatureSet/EnumType.php

@@ -0,0 +1,54 @@
+<?php
+# Generated by the protocol buffer compiler.  DO NOT EDIT!
+# NO CHECKED-IN PROTOBUF GENCODE
+# source: google/protobuf/descriptor.proto
+
+namespace Google\Protobuf\Internal\FeatureSet;
+
+use UnexpectedValueException;
+
+/**
+ * Protobuf type <code>google.protobuf.FeatureSet.EnumType</code>
+ */
+class EnumType
+{
+    /**
+     * Generated from protobuf enum <code>ENUM_TYPE_UNKNOWN = 0;</code>
+     */
+    const ENUM_TYPE_UNKNOWN = 0;
+    /**
+     * Generated from protobuf enum <code>OPEN = 1;</code>
+     */
+    const OPEN = 1;
+    /**
+     * Generated from protobuf enum <code>CLOSED = 2;</code>
+     */
+    const CLOSED = 2;
+
+    private static $valueToName = [
+        self::ENUM_TYPE_UNKNOWN => 'ENUM_TYPE_UNKNOWN',
+        self::OPEN => 'OPEN',
+        self::CLOSED => 'CLOSED',
+    ];
+
+    public static function name($value)
+    {
+        if (!isset(self::$valueToName[$value])) {
+            throw new UnexpectedValueException(sprintf(
+                    'Enum %s has no name defined for value %s', __CLASS__, $value));
+        }
+        return self::$valueToName[$value];
+    }
+
+
+    public static function value($name)
+    {
+        $const = __CLASS__ . '::' . strtoupper($name);
+        if (!defined($const)) {
+            throw new UnexpectedValueException(sprintf(
+                    'Enum %s has no value defined for name %s', __CLASS__, $name));
+        }
+        return constant($const);
+    }
+}
+

php/src/Google/Protobuf/Internal/FeatureSet/FieldPresence.php

@@ -0,0 +1,59 @@
+<?php
+# Generated by the protocol buffer compiler.  DO NOT EDIT!
+# NO CHECKED-IN PROTOBUF GENCODE
+# source: google/protobuf/descriptor.proto
+
+namespace Google\Protobuf\Internal\FeatureSet;
+
+use UnexpectedValueException;
+
+/**
+ * Protobuf type <code>google.protobuf.FeatureSet.FieldPresence</code>
+ */
+class FieldPresence
+{
+    /**
+     * Generated from protobuf enum <code>FIELD_PRESENCE_UNKNOWN = 0;</code>
+     */
+    const FIELD_PRESENCE_UNKNOWN = 0;
+    /**
+     * Generated from protobuf enum <code>EXPLICIT = 1;</code>
+     */
+    const EXPLICIT = 1;
+    /**
+     * Generated from protobuf enum <code>IMPLICIT = 2;</code>
+     */
+    const IMPLICIT = 2;
+    /**
+     * Generated from protobuf enum <code>LEGACY_REQUIRED = 3;</code>
+     */
+    const LEGACY_REQUIRED = 3;
+
+    private static $valueToName = [
+        self::FIELD_PRESENCE_UNKNOWN => 'FIELD_PRESENCE_UNKNOWN',
+        self::EXPLICIT => 'EXPLICIT',
+        self::IMPLICIT => 'IMPLICIT',
+        self::LEGACY_REQUIRED => 'LEGACY_REQUIRED',
+    ];
+
+    public static function name($value)
+    {
+        if (!isset(self::$valueToName[$value])) {
+            throw new UnexpectedValueException(sprintf(
+                    'Enum %s has no name defined for value %s', __CLASS__, $value));
+        }
+        return self::$valueToName[$value];
+    }
+
+
+    public static function value($name)
+    {
+        $const = __CLASS__ . '::' . strtoupper($name);
+        if (!defined($const)) {
+            throw new UnexpectedValueException(sprintf(
+                    'Enum %s has no value defined for name %s', __CLASS__, $name));
+        }
+        return constant($const);
+    }
+}
+

php/src/Google/Protobuf/Internal/FeatureSet/JsonFormat.php

@@ -0,0 +1,54 @@
+<?php
+# Generated by the protocol buffer compiler.  DO NOT EDIT!
+# NO CHECKED-IN PROTOBUF GENCODE
+# source: google/protobuf/descriptor.proto
+
+namespace Google\Protobuf\Internal\FeatureSet;
+
+use UnexpectedValueException;
+
+/**
+ * Protobuf type <code>google.protobuf.FeatureSet.JsonFormat</code>
+ */
+class JsonFormat
+{
+    /**
+     * Generated from protobuf enum <code>JSON_FORMAT_UNKNOWN = 0;</code>
+     */
+    const JSON_FORMAT_UNKNOWN = 0;
+    /**
+     * Generated from protobuf enum <code>ALLOW = 1;</code>
+     */
+    const ALLOW = 1;
+    /**
+     * Generated from protobuf enum <code>LEGACY_BEST_EFFORT = 2;</code>
+     */
+    const LEGACY_BEST_EFFORT = 2;
+
+    private static $valueToName = [
+        self::JSON_FORMAT_UNKNOWN => 'JSON_FORMAT_UNKNOWN',
+        self::ALLOW => 'ALLOW',
+        self::LEGACY_BEST_EFFORT => 'LEGACY_BEST_EFFORT',
+    ];
+
+    public static function name($value)
+    {
+        if (!isset(self::$valueToName[$value])) {
+            throw new UnexpectedValueException(sprintf(
+                    'Enum %s has no name defined for value %s', __CLASS__, $value));
+        }
+        return self::$valueToName[$value];
+    }
+
+
+    public static function value($name)
+    {
+        $const = __CLASS__ . '::' . strtoupper($name);
+        if (!defined($const)) {
+            throw new UnexpectedValueException(sprintf(
+                    'Enum %s has no value defined for name %s', __CLASS__, $name));
+        }
+        return constant($const);
+    }
+}
+

php/src/Google/Protobuf/Internal/FeatureSet/MessageEncoding.php

@@ -0,0 +1,54 @@
+<?php
+# Generated by the protocol buffer compiler.  DO NOT EDIT!
+# NO CHECKED-IN PROTOBUF GENCODE
+# source: google/protobuf/descriptor.proto
+
+namespace Google\Protobuf\Internal\FeatureSet;
+
+use UnexpectedValueException;
+
+/**
+ * Protobuf type <code>google.protobuf.FeatureSet.MessageEncoding</code>
+ */
+class MessageEncoding
+{
+    /**
+     * Generated from protobuf enum <code>MESSAGE_ENCODING_UNKNOWN = 0;</code>
+     */
+    const MESSAGE_ENCODING_UNKNOWN = 0;
+    /**
+     * Generated from protobuf enum <code>LENGTH_PREFIXED = 1;</code>
+     */
+    const LENGTH_PREFIXED = 1;
+    /**
+     * Generated from protobuf enum <code>DELIMITED = 2;</code>
+     */
+    const DELIMITED = 2;
+
+    private static $valueToName = [
+        self::MESSAGE_ENCODING_UNKNOWN => 'MESSAGE_ENCODING_UNKNOWN',
+        self::LENGTH_PREFIXED => 'LENGTH_PREFIXED',
+        self::DELIMITED => 'DELIMITED',
+    ];
+
+    public static function name($value)
+    {
+        if (!isset(self::$valueToName[$value])) {
+            throw new UnexpectedValueException(sprintf(
+                    'Enum %s has no name defined for value %s', __CLASS__, $value));
+        }
+        return self::$valueToName[$value];
+    }
+
+
+    public static function value($name)
+    {
+        $const = __CLASS__ . '::' . strtoupper($name);
+        if (!defined($const)) {
+            throw new UnexpectedValueException(sprintf(
+                    'Enum %s has no value defined for name %s', __CLASS__, $name));
+        }
+        return constant($const);
+    }
+}
+

php/src/Google/Protobuf/Internal/FeatureSet/RepeatedFieldEncoding.php

@@ -0,0 +1,54 @@
+<?php
+# Generated by the protocol buffer compiler.  DO NOT EDIT!
+# NO CHECKED-IN PROTOBUF GENCODE
+# source: google/protobuf/descriptor.proto
+
+namespace Google\Protobuf\Internal\FeatureSet;
+
+use UnexpectedValueException;
+
+/**
+ * Protobuf type <code>google.protobuf.FeatureSet.RepeatedFieldEncoding</code>
+ */
+class RepeatedFieldEncoding
+{
+    /**
+     * Generated from protobuf enum <code>REPEATED_FIELD_ENCODING_UNKNOWN = 0;</code>
+     */
+    const REPEATED_FIELD_ENCODING_UNKNOWN = 0;
+    /**
+     * Generated from protobuf enum <code>PACKED = 1;</code>
+     */
+    const PACKED = 1;
+    /**
+     * Generated from protobuf enum <code>EXPANDED = 2;</code>
+     */
+    const EXPANDED = 2;
+
+    private static $valueToName = [
+        self::REPEATED_FIELD_ENCODING_UNKNOWN => 'REPEATED_FIELD_ENCODING_UNKNOWN',
+        self::PACKED => 'PACKED',
+        self::EXPANDED => 'EXPANDED',
+    ];
+
+    public static function name($value)
+    {
+        if (!isset(self::$valueToName[$value])) {
+            throw new UnexpectedValueException(sprintf(
+                    'Enum %s has no name defined for value %s', __CLASS__, $value));
+        }
+        return self::$valueToName[$value];
+    }
+
+
+    public static function value($name)
+    {
+        $const = __CLASS__ . '::' . strtoupper($name);
+        if (!defined($const)) {
+            throw new UnexpectedValueException(sprintf(
+                    'Enum %s has no value defined for name %s', __CLASS__, $name));
+        }
+        return constant($const);
+    }
+}
+

php/src/Google/Protobuf/Internal/FeatureSet/Utf8Validation.php

@@ -0,0 +1,54 @@
+<?php
+# Generated by the protocol buffer compiler.  DO NOT EDIT!
+# NO CHECKED-IN PROTOBUF GENCODE
+# source: google/protobuf/descriptor.proto
+
+namespace Google\Protobuf\Internal\FeatureSet;
+
+use UnexpectedValueException;
+
+/**
+ * Protobuf type <code>google.protobuf.FeatureSet.Utf8Validation</code>
+ */
+class Utf8Validation
+{
+    /**
+     * Generated from protobuf enum <code>UTF8_VALIDATION_UNKNOWN = 0;</code>
+     */
+    const UTF8_VALIDATION_UNKNOWN = 0;
+    /**
+     * Generated from protobuf enum <code>VERIFY = 2;</code>
+     */
+    const VERIFY = 2;
+    /**
+     * Generated from protobuf enum <code>NONE = 3;</code>
+     */
+    const NONE = 3;
+
+    private static $valueToName = [
+        self::UTF8_VALIDATION_UNKNOWN => 'UTF8_VALIDATION_UNKNOWN',
+        self::VERIFY => 'VERIFY',
+        self::NONE => 'NONE',
+    ];
+
+    public static function name($value)
+    {
+        if (!isset(self::$valueToName[$value])) {
+            throw new UnexpectedValueException(sprintf(
+                    'Enum %s has no name defined for value %s', __CLASS__, $value));
+        }
+        return self::$valueToName[$value];
+    }
+
+
+    public static function value($name)
+    {
+        $const = __CLASS__ . '::' . strtoupper($name);
+        if (!defined($const)) {
+            throw new UnexpectedValueException(sprintf(
+                    'Enum %s has no value defined for name %s', __CLASS__, $name));
+        }
+        return constant($const);
+    }
+}
+

php/src/Google/Protobuf/Internal/FeatureSetDefaults.php

@@ -0,0 +1,162 @@
+<?php
+# Generated by the protocol buffer compiler.  DO NOT EDIT!
+# NO CHECKED-IN PROTOBUF GENCODE
+# source: google/protobuf/descriptor.proto
+
+namespace Google\Protobuf\Internal;
+
+use Google\Protobuf\Internal\GPBType;
+use Google\Protobuf\Internal\GPBWire;
+use Google\Protobuf\Internal\RepeatedField;
+use Google\Protobuf\Internal\InputStream;
+use Google\Protobuf\Internal\GPBUtil;
+
+/**
+ * A compiled specification for the defaults of a set of features.  These
+ * messages are generated from FeatureSet extensions and can be used to seed
+ * feature resolution. The resolution with this object becomes a simple search
+ * for the closest matching edition, followed by proto merges.
+ *
+ * Generated from protobuf message <code>google.protobuf.FeatureSetDefaults</code>
+ */
+class FeatureSetDefaults extends \Google\Protobuf\Internal\Message
+{
+    /**
+     * Generated from protobuf field <code>repeated .google.protobuf.FeatureSetDefaults.FeatureSetEditionDefault defaults = 1;</code>
+     */
+    private $defaults;
+    /**
+     * The minimum supported edition (inclusive) when this was constructed.
+     * Editions before this will not have defaults.
+     *
+     * Generated from protobuf field <code>optional .google.protobuf.Edition minimum_edition = 4;</code>
+     */
+    protected $minimum_edition = null;
+    /**
+     * The maximum known edition (inclusive) when this was constructed. Editions
+     * after this will not have reliable defaults.
+     *
+     * Generated from protobuf field <code>optional .google.protobuf.Edition maximum_edition = 5;</code>
+     */
+    protected $maximum_edition = null;
+
+    /**
+     * Constructor.
+     *
+     * @param array $data {
+     *     Optional. Data for populating the Message object.
+     *
+     *     @type array<\Google\Protobuf\Internal\FeatureSetDefaults\FeatureSetEditionDefault>|\Google\Protobuf\Internal\RepeatedField $defaults
+     *     @type int $minimum_edition
+     *           The minimum supported edition (inclusive) when this was constructed.
+     *           Editions before this will not have defaults.
+     *     @type int $maximum_edition
+     *           The maximum known edition (inclusive) when this was constructed. Editions
+     *           after this will not have reliable defaults.
+     * }
+     */
+    public function __construct($data = NULL) {
+        \GPBMetadata\Google\Protobuf\Internal\Descriptor::initOnce();
+        parent::__construct($data);
+    }
+
+    /**
+     * Generated from protobuf field <code>repeated .google.protobuf.FeatureSetDefaults.FeatureSetEditionDefault defaults = 1;</code>
+     * @return \Google\Protobuf\Internal\RepeatedField
+     */
+    public function getDefaults()
+    {
+        return $this->defaults;
+    }
+
+    /**
+     * Generated from protobuf field <code>repeated .google.protobuf.FeatureSetDefaults.FeatureSetEditionDefault defaults = 1;</code>
+     * @param array<\Google\Protobuf\Internal\FeatureSetDefaults\FeatureSetEditionDefault>|\Google\Protobuf\Internal\RepeatedField $var
+     * @return $this
+     */
+    public function setDefaults($var)
+    {
+        $arr = GPBUtil::checkRepeatedField($var, \Google\Protobuf\Internal\GPBType::MESSAGE, \Google\Protobuf\Internal\FeatureSetDefaults\FeatureSetEditionDefault::class);
+        $this->defaults = $arr;
+
+        return $this;
+    }
+
+    /**
+     * The minimum supported edition (inclusive) when this was constructed.
+     * Editions before this will not have defaults.
+     *
+     * Generated from protobuf field <code>optional .google.protobuf.Edition minimum_edition = 4;</code>
+     * @return int
+     */
+    public function getMinimumEdition()
+    {
+        return isset($this->minimum_edition) ? $this->minimum_edition : 0;
+    }
+
+    public function hasMinimumEdition()
+    {
+        return isset($this->minimum_edition);
+    }
+
+    public function clearMinimumEdition()
+    {
+        unset($this->minimum_edition);
+    }
+
+    /**
+     * The minimum supported edition (inclusive) when this was constructed.
+     * Editions before this will not have defaults.
+     *
+     * Generated from protobuf field <code>optional .google.protobuf.Edition minimum_edition = 4;</code>
+     * @param int $var
+     * @return $this
+     */
+    public function setMinimumEdition($var)
+    {
+        GPBUtil::checkEnum($var, \Google\Protobuf\Internal\Edition::class);
+        $this->minimum_edition = $var;
+
+        return $this;
+    }
+
+    /**
+     * The maximum known edition (inclusive) when this was constructed. Editions
+     * after this will not have reliable defaults.
+     *
+     * Generated from protobuf field <code>optional .google.protobuf.Edition maximum_edition = 5;</code>
+     * @return int
+     */
+    public function getMaximumEdition()
+    {
+        return isset($this->maximum_edition) ? $this->maximum_edition : 0;
+    }
+
+    public function hasMaximumEdition()
+    {
+        return isset($this->maximum_edition);
+    }
+
+    public function clearMaximumEdition()
+    {
+        unset($this->maximum_edition);
+    }
+
+    /**
+     * The maximum known edition (inclusive) when this was constructed. Editions
+     * after this will not have reliable defaults.
+     *
+     * Generated from protobuf field <code>optional .google.protobuf.Edition maximum_edition = 5;</code>
+     * @param int $var
+     * @return $this
+     */
+    public function setMaximumEdition($var)
+    {
+        GPBUtil::checkEnum($var, \Google\Protobuf\Internal\Edition::class);
+        $this->maximum_edition = $var;
+
+        return $this;
+    }
+
+}
+

php/src/Google/Protobuf/Internal/FeatureSetDefaults/FeatureSetEditionDefault.php

@@ -0,0 +1,164 @@
+<?php
+# Generated by the protocol buffer compiler.  DO NOT EDIT!
+# NO CHECKED-IN PROTOBUF GENCODE
+# source: google/protobuf/descriptor.proto
+
+namespace Google\Protobuf\Internal\FeatureSetDefaults;
+
+use Google\Protobuf\Internal\GPBType;
+use Google\Protobuf\Internal\GPBWire;
+use Google\Protobuf\Internal\RepeatedField;
+use Google\Protobuf\Internal\InputStream;
+use Google\Protobuf\Internal\GPBUtil;
+
+/**
+ * A map from every known edition with a unique set of defaults to its
+ * defaults. Not all editions may be contained here.  For a given edition,
+ * the defaults at the closest matching edition ordered at or before it should
+ * be used.  This field must be in strict ascending order by edition.
+ *
+ * Generated from protobuf message <code>google.protobuf.FeatureSetDefaults.FeatureSetEditionDefault</code>
+ */
+class FeatureSetEditionDefault extends \Google\Protobuf\Internal\Message
+{
+    /**
+     * Generated from protobuf field <code>optional .google.protobuf.Edition edition = 3;</code>
+     */
+    protected $edition = null;
+    /**
+     * Defaults of features that can be overridden in this edition.
+     *
+     * Generated from protobuf field <code>optional .google.protobuf.FeatureSet overridable_features = 4;</code>
+     */
+    protected $overridable_features = null;
+    /**
+     * Defaults of features that can't be overridden in this edition.
+     *
+     * Generated from protobuf field <code>optional .google.protobuf.FeatureSet fixed_features = 5;</code>
+     */
+    protected $fixed_features = null;
+
+    /**
+     * Constructor.
+     *
+     * @param array $data {
+     *     Optional. Data for populating the Message object.
+     *
+     *     @type int $edition
+     *     @type \Google\Protobuf\Internal\FeatureSet $overridable_features
+     *           Defaults of features that can be overridden in this edition.
+     *     @type \Google\Protobuf\Internal\FeatureSet $fixed_features
+     *           Defaults of features that can't be overridden in this edition.
+     * }
+     */
+    public function __construct($data = NULL) {
+        \GPBMetadata\Google\Protobuf\Internal\Descriptor::initOnce();
+        parent::__construct($data);
+    }
+
+    /**
+     * Generated from protobuf field <code>optional .google.protobuf.Edition edition = 3;</code>
+     * @return int
+     */
+    public function getEdition()
+    {
+        return isset($this->edition) ? $this->edition : 0;
+    }
+
+    public function hasEdition()
+    {
+        return isset($this->edition);
+    }
+
+    public function clearEdition()
+    {
+        unset($this->edition);
+    }
+
+    /**
+     * Generated from protobuf field <code>optional .google.protobuf.Edition edition = 3;</code>
+     * @param int $var
+     * @return $this
+     */
+    public function setEdition($var)
+    {
+        GPBUtil::checkEnum($var, \Google\Protobuf\Internal\Edition::class);
+        $this->edition = $var;
+
+        return $this;
+    }
+
+    /**
+     * Defaults of features that can be overridden in this edition.
+     *
+     * Generated from protobuf field <code>optional .google.protobuf.FeatureSet overridable_features = 4;</code>
+     * @return \Google\Protobuf\Internal\FeatureSet|null
+     */
+    public function getOverridableFeatures()
+    {
+        return $this->overridable_features;
+    }
+
+    public function hasOverridableFeatures()
+    {
+        return isset($this->overridable_features);
+    }
+
+    public function clearOverridableFeatures()
+    {
+        unset($this->overridable_features);
+    }
+
+    /**
+     * Defaults of features that can be overridden in this edition.
+     *
+     * Generated from protobuf field <code>optional .google.protobuf.FeatureSet overridable_features = 4;</code>
+     * @param \Google\Protobuf\Internal\FeatureSet $var
+     * @return $this
+     */
+    public function setOverridableFeatures($var)
+    {
+        GPBUtil::checkMessage($var, \Google\Protobuf\Internal\FeatureSet::class);
+        $this->overridable_features = $var;
+
+        return $this;
+    }
+
+    /**
+     * Defaults of features that can't be overridden in this edition.
+     *
+     * Generated from protobuf field <code>optional .google.protobuf.FeatureSet fixed_features = 5;</code>
+     * @return \Google\Protobuf\Internal\FeatureSet|null
+     */
+    public function getFixedFeatures()
+    {
+        return $this->fixed_features;
+    }
+
+    public function hasFixedFeatures()
+    {
+        return isset($this->fixed_features);
+    }
+
+    public function clearFixedFeatures()
+    {
+        unset($this->fixed_features);
+    }
+
+    /**
+     * Defaults of features that can't be overridden in this edition.
+     *
+     * Generated from protobuf field <code>optional .google.protobuf.FeatureSet fixed_features = 5;</code>
+     * @param \Google\Protobuf\Internal\FeatureSet $var
+     * @return $this
+     */
+    public function setFixedFeatures($var)
+    {
+        GPBUtil::checkMessage($var, \Google\Protobuf\Internal\FeatureSet::class);
+        $this->fixed_features = $var;
+
+        return $this;
+    }
+
+}
+

php/src/Google/Protobuf/Internal/FieldDescriptorProto.php

@@ -1,5 +1,6 @@
 <?php
 # Generated by the protocol buffer compiler.  DO NOT EDIT!
+# NO CHECKED-IN PROTOBUF GENCODE
 # source: google/protobuf/descriptor.proto
 
 namespace Google\Protobuf\Internal;
@@ -85,12 +86,12 @@ class FieldDescriptorProto extends \Google\Protobuf\Internal\Message
     /**
      * If true, this is a proto3 "optional". When a proto3 field is optional, it
      * tracks presence regardless of field type.
-     * When proto3_optional is true, this field must be belong to a oneof to
+     * When proto3_optional is true, this field must belong to a oneof to signal
-     * signal to old proto3 clients that presence is tracked for this field. This
+     * to old proto3 clients that presence is tracked for this field. This oneof
-     * oneof is known as a "synthetic" oneof, and this field must be its sole
+     * is known as a "synthetic" oneof, and this field must be its sole member
-     * member (each proto3 optional field gets its own synthetic oneof). Synthetic
+     * (each proto3 optional field gets its own synthetic oneof). Synthetic oneofs
-     * oneofs exist in the descriptor only, and do not generate any API. Synthetic
+     * exist in the descriptor only, and do not generate any API. Synthetic oneofs
-     * oneofs must be ordered after all "real" oneofs.
+     * must be ordered after all "real" oneofs.
      * For message fields, proto3_optional doesn't create any semantic change,
      * since non-repeated message fields always track presence. However it still
      * indicates the semantic detail of whether the user wrote "optional" or not.
@@ -144,12 +145,12 @@ class FieldDescriptorProto extends \Google\Protobuf\Internal\Message
      *     @type bool $proto3_optional
      *           If true, this is a proto3 "optional". When a proto3 field is optional, it
      *           tracks presence regardless of field type.
-     *           When proto3_optional is true, this field must be belong to a oneof to
+     *           When proto3_optional is true, this field must belong to a oneof to signal
-     *           signal to old proto3 clients that presence is tracked for this field. This
+     *           to old proto3 clients that presence is tracked for this field. This oneof
-     *           oneof is known as a "synthetic" oneof, and this field must be its sole
+     *           is known as a "synthetic" oneof, and this field must be its sole member
-     *           member (each proto3 optional field gets its own synthetic oneof). Synthetic
+     *           (each proto3 optional field gets its own synthetic oneof). Synthetic oneofs
-     *           oneofs exist in the descriptor only, and do not generate any API. Synthetic
+     *           exist in the descriptor only, and do not generate any API. Synthetic oneofs
-     *           oneofs must be ordered after all "real" oneofs.
+     *           must be ordered after all "real" oneofs.
      *           For message fields, proto3_optional doesn't create any semantic change,
      *           since non-repeated message fields always track presence. However it still
      *           indicates the semantic detail of whether the user wrote "optional" or not.
@@ -540,12 +541,12 @@ class FieldDescriptorProto extends \Google\Protobuf\Internal\Message
     /**
      * If true, this is a proto3 "optional". When a proto3 field is optional, it
      * tracks presence regardless of field type.
-     * When proto3_optional is true, this field must be belong to a oneof to
+     * When proto3_optional is true, this field must belong to a oneof to signal
-     * signal to old proto3 clients that presence is tracked for this field. This
+     * to old proto3 clients that presence is tracked for this field. This oneof
-     * oneof is known as a "synthetic" oneof, and this field must be its sole
+     * is known as a "synthetic" oneof, and this field must be its sole member
-     * member (each proto3 optional field gets its own synthetic oneof). Synthetic
+     * (each proto3 optional field gets its own synthetic oneof). Synthetic oneofs
-     * oneofs exist in the descriptor only, and do not generate any API. Synthetic
+     * exist in the descriptor only, and do not generate any API. Synthetic oneofs
-     * oneofs must be ordered after all "real" oneofs.
+     * must be ordered after all "real" oneofs.
      * For message fields, proto3_optional doesn't create any semantic change,
      * since non-repeated message fields always track presence. However it still
      * indicates the semantic detail of whether the user wrote "optional" or not.
@@ -578,12 +579,12 @@ class FieldDescriptorProto extends \Google\Protobuf\Internal\Message
     /**
      * If true, this is a proto3 "optional". When a proto3 field is optional, it
      * tracks presence regardless of field type.
-     * When proto3_optional is true, this field must be belong to a oneof to
+     * When proto3_optional is true, this field must belong to a oneof to signal
-     * signal to old proto3 clients that presence is tracked for this field. This
+     * to old proto3 clients that presence is tracked for this field. This oneof
-     * oneof is known as a "synthetic" oneof, and this field must be its sole
+     * is known as a "synthetic" oneof, and this field must be its sole member
-     * member (each proto3 optional field gets its own synthetic oneof). Synthetic
+     * (each proto3 optional field gets its own synthetic oneof). Synthetic oneofs
-     * oneofs exist in the descriptor only, and do not generate any API. Synthetic
+     * exist in the descriptor only, and do not generate any API. Synthetic oneofs
-     * oneofs must be ordered after all "real" oneofs.
+     * must be ordered after all "real" oneofs.
      * For message fields, proto3_optional doesn't create any semantic change,
      * since non-repeated message fields always track presence. However it still
      * indicates the semantic detail of whether the user wrote "optional" or not.

php/src/Google/Protobuf/Internal/FieldDescriptorProto/Label.php

@@ -1,5 +1,6 @@
 <?php
 # Generated by the protocol buffer compiler.  DO NOT EDIT!
+# NO CHECKED-IN PROTOBUF GENCODE
 # source: google/protobuf/descriptor.proto
 
 namespace Google\Protobuf\Internal\FieldDescriptorProto;
@@ -17,19 +18,23 @@ class Label
      * Generated from protobuf enum <code>LABEL_OPTIONAL = 1;</code>
      */
     const LABEL_OPTIONAL = 1;
-    /**
-     * Generated from protobuf enum <code>LABEL_REQUIRED = 2;</code>
-     */
-    const LABEL_REQUIRED = 2;
     /**
      * Generated from protobuf enum <code>LABEL_REPEATED = 3;</code>
      */
     const LABEL_REPEATED = 3;
+    /**
+     * The required label is only allowed in google.protobuf.  In proto3 and Editions
+     * it's explicitly prohibited.  In Editions, the `field_presence` feature
+     * can be used to get this behavior.
+     *
+     * Generated from protobuf enum <code>LABEL_REQUIRED = 2;</code>
+     */
+    const LABEL_REQUIRED = 2;
 
     private static $valueToName = [
         self::LABEL_OPTIONAL => 'LABEL_OPTIONAL',
-        self::LABEL_REQUIRED => 'LABEL_REQUIRED',
         self::LABEL_REPEATED => 'LABEL_REPEATED',
+        self::LABEL_REQUIRED => 'LABEL_REQUIRED',
     ];
 
     public static function name($value)
@@ -53,6 +58,3 @@ class Label
     }
 }
 
-// Adding a class alias for backwards compatibility with the previous class name.
-class_alias(Label::class, \Google\Protobuf\Internal\FieldDescriptorProto_Label::class);
-

php/src/Google/Protobuf/Internal/FieldDescriptorProto/Type.php

@@ -1,5 +1,6 @@
 <?php
 # Generated by the protocol buffer compiler.  DO NOT EDIT!
+# NO CHECKED-IN PROTOBUF GENCODE
 # source: google/protobuf/descriptor.proto
 
 namespace Google\Protobuf\Internal\FieldDescriptorProto;
@@ -58,9 +59,10 @@ class Type
     const TYPE_STRING = 9;
     /**
      * Tag-delimited aggregate.
-     * Group type is deprecated and not supported in proto3. However, Proto3
+     * Group type is deprecated and not supported after google.protobuf. However, Proto3
      * implementations should still be able to parse the group wire format and
-     * treat group fields as unknown fields.
+     * treat group fields as unknown fields.  In Editions, the group wire format
+     * can be enabled via the `message_encoding` feature.
      *
      * Generated from protobuf enum <code>TYPE_GROUP = 10;</code>
      */
@@ -148,6 +150,3 @@ class Type
     }
 }
 
-// Adding a class alias for backwards compatibility with the previous class name.
-class_alias(Type::class, \Google\Protobuf\Internal\FieldDescriptorProto_Type::class);
-

php/src/Google/Protobuf/Internal/FieldOptions.php

@@ -1,5 +1,6 @@
 <?php
 # Generated by the protocol buffer compiler.  DO NOT EDIT!
+# NO CHECKED-IN PROTOBUF GENCODE
 # source: google/protobuf/descriptor.proto
 
 namespace Google\Protobuf\Internal;
@@ -16,10 +17,13 @@ use Google\Protobuf\Internal\GPBUtil;
 class FieldOptions extends \Google\Protobuf\Internal\Message
 {
     /**
+     * NOTE: ctype is deprecated. Use `features.(pb.cpp).string_type` instead.
      * The ctype option instructs the C++ code generator to use a different
      * representation of the field than it normally would.  See the specific
-     * options below.  This option is not yet implemented in the open source
+     * options below.  This option is only implemented to support use of
-     * release -- sorry, we'll try to include it in a future version!
+     * [ctype=CORD] and [ctype=STRING] (the default) on non-repeated fields of
+     * type "bytes" in the open source release.
+     * TODO: make ctype actually deprecated.
      *
      * Generated from protobuf field <code>optional .google.protobuf.FieldOptions.CType ctype = 1 [default = STRING];</code>
      */
@@ -28,8 +32,10 @@ class FieldOptions extends \Google\Protobuf\Internal\Message
      * The packed option can be enabled for repeated primitive fields to enable
      * a more efficient representation on the wire. Rather than repeatedly
      * writing the tag and type for each element, the entire array is encoded as
-     * a single length-prefixed blob. In proto3, only explicit setting it to
+     * a single length-delimited blob. In proto3, only explicit setting it to
-     * false will avoid using packed encoding.
+     * false will avoid using packed encoding.  This option is prohibited in
+     * Editions, but the `repeated_field_encoding` feature can be used to control
+     * the behavior.
      *
      * Generated from protobuf field <code>optional bool packed = 2;</code>
      */
@@ -64,18 +70,11 @@ class FieldOptions extends \Google\Protobuf\Internal\Message
      * interface is not affected by this option; const methods remain safe to
      * call from multiple threads concurrently, while non-const methods continue
      * to require exclusive access.
-     * Note that implementations may choose not to check required fields within
+     * Note that lazy message fields are still eagerly verified to check
-     * a lazy sub-message.  That is, calling IsInitialized() on the outer message
+     * ill-formed wireformat or missing required fields. Calling IsInitialized()
-     * may return true even if the inner message has missing required fields.
+     * on the outer message would fail if the inner message has missing required
-     * This is necessary because otherwise the inner message would have to be
+     * fields. Failed verification would result in parsing failure (except when
-     * parsed in order to perform the check, defeating the purpose of lazy
+     * uninitialized messages are acceptable).
-     * parsing.  An implementation which chooses not to check required fields
-     * must be consistent about it.  That is, for any particular sub-message, the
-     * implementation must either *always* check its required fields, or *never*
-     * check its required fields, regardless of whether or not the message has
-     * been parsed.
-     * As of May 2022, lazy verifies the contents of the byte stream during
-     * parsing.  An invalid byte stream will cause the overall parsing to fail.
      *
      * Generated from protobuf field <code>optional bool lazy = 5 [default = false];</code>
      */
@@ -103,6 +102,35 @@ class FieldOptions extends \Google\Protobuf\Internal\Message
      * Generated from protobuf field <code>optional bool weak = 10 [default = false];</code>
      */
     protected $weak = null;
+    /**
+     * Indicate that the field value should not be printed out when using debug
+     * formats, e.g. when the field contains sensitive credentials.
+     *
+     * Generated from protobuf field <code>optional bool debug_redact = 16 [default = false];</code>
+     */
+    protected $debug_redact = null;
+    /**
+     * Generated from protobuf field <code>optional .google.protobuf.FieldOptions.OptionRetention retention = 17;</code>
+     */
+    protected $retention = null;
+    /**
+     * Generated from protobuf field <code>repeated .google.protobuf.FieldOptions.OptionTargetType targets = 19;</code>
+     */
+    private $targets;
+    /**
+     * Generated from protobuf field <code>repeated .google.protobuf.FieldOptions.EditionDefault edition_defaults = 20;</code>
+     */
+    private $edition_defaults;
+    /**
+     * Any features defined in the specific edition.
+     *
+     * Generated from protobuf field <code>optional .google.protobuf.FeatureSet features = 21;</code>
+     */
+    protected $features = null;
+    /**
+     * Generated from protobuf field <code>optional .google.protobuf.FieldOptions.FeatureSupport feature_support = 22;</code>
+     */
+    protected $feature_support = null;
     /**
      * The parser stores options it doesn't recognize here. See above.
      *
@@ -117,16 +145,21 @@ class FieldOptions extends \Google\Protobuf\Internal\Message
      *     Optional. Data for populating the Message object.
      *
      *     @type int $ctype
+     *           NOTE: ctype is deprecated. Use `features.(pb.cpp).string_type` instead.
      *           The ctype option instructs the C++ code generator to use a different
      *           representation of the field than it normally would.  See the specific
-     *           options below.  This option is not yet implemented in the open source
+     *           options below.  This option is only implemented to support use of
-     *           release -- sorry, we'll try to include it in a future version!
+     *           [ctype=CORD] and [ctype=STRING] (the default) on non-repeated fields of
+     *           type "bytes" in the open source release.
+     *           TODO: make ctype actually deprecated.
      *     @type bool $packed
      *           The packed option can be enabled for repeated primitive fields to enable
      *           a more efficient representation on the wire. Rather than repeatedly
      *           writing the tag and type for each element, the entire array is encoded as
-     *           a single length-prefixed blob. In proto3, only explicit setting it to
+     *           a single length-delimited blob. In proto3, only explicit setting it to
-     *           false will avoid using packed encoding.
+     *           false will avoid using packed encoding.  This option is prohibited in
+     *           Editions, but the `repeated_field_encoding` feature can be used to control
+     *           the behavior.
      *     @type int $jstype
      *           The jstype option determines the JavaScript type used for values of the
      *           field.  The option is permitted only for 64 bit integral and fixed types
@@ -153,18 +186,11 @@ class FieldOptions extends \Google\Protobuf\Internal\Message
      *           interface is not affected by this option; const methods remain safe to
      *           call from multiple threads concurrently, while non-const methods continue
      *           to require exclusive access.
-     *           Note that implementations may choose not to check required fields within
+     *           Note that lazy message fields are still eagerly verified to check
-     *           a lazy sub-message.  That is, calling IsInitialized() on the outer message
+     *           ill-formed wireformat or missing required fields. Calling IsInitialized()
-     *           may return true even if the inner message has missing required fields.
+     *           on the outer message would fail if the inner message has missing required
-     *           This is necessary because otherwise the inner message would have to be
+     *           fields. Failed verification would result in parsing failure (except when
-     *           parsed in order to perform the check, defeating the purpose of lazy
+     *           uninitialized messages are acceptable).
-     *           parsing.  An implementation which chooses not to check required fields
-     *           must be consistent about it.  That is, for any particular sub-message, the
-     *           implementation must either *always* check its required fields, or *never*
-     *           check its required fields, regardless of whether or not the message has
-     *           been parsed.
-     *           As of May 2022, lazy verifies the contents of the byte stream during
-     *           parsing.  An invalid byte stream will cause the overall parsing to fail.
      *     @type bool $unverified_lazy
      *           unverified_lazy does no correctness checks on the byte stream. This should
      *           only be used where lazy with verification is prohibitive for performance
@@ -176,6 +202,15 @@ class FieldOptions extends \Google\Protobuf\Internal\Message
      *           is a formalization for deprecating fields.
      *     @type bool $weak
      *           For Google-internal migration only. Do not use.
+     *     @type bool $debug_redact
+     *           Indicate that the field value should not be printed out when using debug
+     *           formats, e.g. when the field contains sensitive credentials.
+     *     @type int $retention
+     *     @type array<int>|\Google\Protobuf\Internal\RepeatedField $targets
+     *     @type array<\Google\Protobuf\Internal\FieldOptions\EditionDefault>|\Google\Protobuf\Internal\RepeatedField $edition_defaults
+     *     @type \Google\Protobuf\Internal\FeatureSet $features
+     *           Any features defined in the specific edition.
+     *     @type \Google\Protobuf\Internal\FieldOptions\FeatureSupport $feature_support
      *     @type array<\Google\Protobuf\Internal\UninterpretedOption>|\Google\Protobuf\Internal\RepeatedField $uninterpreted_option
      *           The parser stores options it doesn't recognize here. See above.
      * }
@@ -186,10 +221,13 @@ class FieldOptions extends \Google\Protobuf\Internal\Message
     }
 
     /**
+     * NOTE: ctype is deprecated. Use `features.(pb.cpp).string_type` instead.
      * The ctype option instructs the C++ code generator to use a different
      * representation of the field than it normally would.  See the specific
-     * options below.  This option is not yet implemented in the open source
+     * options below.  This option is only implemented to support use of
-     * release -- sorry, we'll try to include it in a future version!
+     * [ctype=CORD] and [ctype=STRING] (the default) on non-repeated fields of
+     * type "bytes" in the open source release.
+     * TODO: make ctype actually deprecated.
      *
      * Generated from protobuf field <code>optional .google.protobuf.FieldOptions.CType ctype = 1 [default = STRING];</code>
      * @return int
@@ -210,10 +248,13 @@ class FieldOptions extends \Google\Protobuf\Internal\Message
     }
 
     /**
+     * NOTE: ctype is deprecated. Use `features.(pb.cpp).string_type` instead.
      * The ctype option instructs the C++ code generator to use a different
      * representation of the field than it normally would.  See the specific
-     * options below.  This option is not yet implemented in the open source
+     * options below.  This option is only implemented to support use of
-     * release -- sorry, we'll try to include it in a future version!
+     * [ctype=CORD] and [ctype=STRING] (the default) on non-repeated fields of
+     * type "bytes" in the open source release.
+     * TODO: make ctype actually deprecated.
      *
      * Generated from protobuf field <code>optional .google.protobuf.FieldOptions.CType ctype = 1 [default = STRING];</code>
      * @param int $var
@@ -231,8 +272,10 @@ class FieldOptions extends \Google\Protobuf\Internal\Message
      * The packed option can be enabled for repeated primitive fields to enable
      * a more efficient representation on the wire. Rather than repeatedly
      * writing the tag and type for each element, the entire array is encoded as
-     * a single length-prefixed blob. In proto3, only explicit setting it to
+     * a single length-delimited blob. In proto3, only explicit setting it to
-     * false will avoid using packed encoding.
+     * false will avoid using packed encoding.  This option is prohibited in
+     * Editions, but the `repeated_field_encoding` feature can be used to control
+     * the behavior.
      *
      * Generated from protobuf field <code>optional bool packed = 2;</code>
      * @return bool
@@ -257,7 +300,9 @@ class FieldOptions extends \Google\Protobuf\Internal\Message
      * a more efficient representation on the wire. Rather than repeatedly
      * writing the tag and type for each element, the entire array is encoded as
      * a single length-delimited blob. In proto3, only explicit setting it to
-     * false will avoid using packed encoding.
+     * false will avoid using packed encoding.  This option is prohibited in
+     * Editions, but the `repeated_field_encoding` feature can be used to control
+     * the behavior.
      *
      * Generated from protobuf field <code>optional bool packed = 2;</code>
      * @param bool $var
@@ -340,18 +385,11 @@ class FieldOptions extends \Google\Protobuf\Internal\Message
      * interface is not affected by this option; const methods remain safe to
      * call from multiple threads concurrently, while non-const methods continue
      * to require exclusive access.
-     * Note that implementations may choose not to check required fields within
+     * Note that lazy message fields are still eagerly verified to check
-     * a lazy sub-message.  That is, calling IsInitialized() on the outer message
+     * ill-formed wireformat or missing required fields. Calling IsInitialized()
-     * may return true even if the inner message has missing required fields.
+     * on the outer message would fail if the inner message has missing required
-     * This is necessary because otherwise the inner message would have to be
+     * fields. Failed verification would result in parsing failure (except when
-     * parsed in order to perform the check, defeating the purpose of lazy
+     * uninitialized messages are acceptable).
-     * parsing.  An implementation which chooses not to check required fields
-     * must be consistent about it.  That is, for any particular sub-message, the
-     * implementation must either *always* check its required fields, or *never*
-     * check its required fields, regardless of whether or not the message has
-     * been parsed.
-     * As of May 2022, lazy verifies the contents of the byte stream during
-     * parsing.  An invalid byte stream will cause the overall parsing to fail.
      *
      * Generated from protobuf field <code>optional bool lazy = 5 [default = false];</code>
      * @return bool
@@ -386,18 +424,11 @@ class FieldOptions extends \Google\Protobuf\Internal\Message
      * interface is not affected by this option; const methods remain safe to
      * call from multiple threads concurrently, while non-const methods continue
      * to require exclusive access.
-     * Note that implementations may choose not to check required fields within
+     * Note that lazy message fields are still eagerly verified to check
-     * a lazy sub-message.  That is, calling IsInitialized() on the outer message
+     * ill-formed wireformat or missing required fields. Calling IsInitialized()
-     * may return true even if the inner message has missing required fields.
+     * on the outer message would fail if the inner message has missing required
-     * This is necessary because otherwise the inner message would have to be
+     * fields. Failed verification would result in parsing failure (except when
-     * parsed in order to perform the check, defeating the purpose of lazy
+     * uninitialized messages are acceptable).
-     * parsing.  An implementation which chooses not to check required fields
-     * must be consistent about it.  That is, for any particular sub-message, the
-     * implementation must either *always* check its required fields, or *never*
-     * check its required fields, regardless of whether or not the message has
-     * been parsed.
-     * As of May 2022, lazy verifies the contents of the byte stream during
-     * parsing.  An invalid byte stream will cause the overall parsing to fail.
      *
      * Generated from protobuf field <code>optional bool lazy = 5 [default = false];</code>
      * @param bool $var
@@ -529,6 +560,188 @@ class FieldOptions extends \Google\Protobuf\Internal\Message
         return $this;
     }
 
+    /**
+     * Indicate that the field value should not be printed out when using debug
+     * formats, e.g. when the field contains sensitive credentials.
+     *
+     * Generated from protobuf field <code>optional bool debug_redact = 16 [default = false];</code>
+     * @return bool
+     */
+    public function getDebugRedact()
+    {
+        return isset($this->debug_redact) ? $this->debug_redact : false;
+    }
+
+    public function hasDebugRedact()
+    {
+        return isset($this->debug_redact);
+    }
+
+    public function clearDebugRedact()
+    {
+        unset($this->debug_redact);
+    }
+
+    /**
+     * Indicate that the field value should not be printed out when using debug
+     * formats, e.g. when the field contains sensitive credentials.
+     *
+     * Generated from protobuf field <code>optional bool debug_redact = 16 [default = false];</code>
+     * @param bool $var
+     * @return $this
+     */
+    public function setDebugRedact($var)
+    {
+        GPBUtil::checkBool($var);
+        $this->debug_redact = $var;
+
+        return $this;
+    }
+
+    /**
+     * Generated from protobuf field <code>optional .google.protobuf.FieldOptions.OptionRetention retention = 17;</code>
+     * @return int
+     */
+    public function getRetention()
+    {
+        return isset($this->retention) ? $this->retention : 0;
+    }
+
+    public function hasRetention()
+    {
+        return isset($this->retention);
+    }
+
+    public function clearRetention()
+    {
+        unset($this->retention);
+    }
+
+    /**
+     * Generated from protobuf field <code>optional .google.protobuf.FieldOptions.OptionRetention retention = 17;</code>
+     * @param int $var
+     * @return $this
+     */
+    public function setRetention($var)
+    {
+        GPBUtil::checkEnum($var, \Google\Protobuf\Internal\FieldOptions\OptionRetention::class);
+        $this->retention = $var;
+
+        return $this;
+    }
+
+    /**
+     * Generated from protobuf field <code>repeated .google.protobuf.FieldOptions.OptionTargetType targets = 19;</code>
+     * @return \Google\Protobuf\Internal\RepeatedField
+     */
+    public function getTargets()
+    {
+        return $this->targets;
+    }
+
+    /**
+     * Generated from protobuf field <code>repeated .google.protobuf.FieldOptions.OptionTargetType targets = 19;</code>
+     * @param array<int>|\Google\Protobuf\Internal\RepeatedField $var
+     * @return $this
+     */
+    public function setTargets($var)
+    {
+        $arr = GPBUtil::checkRepeatedField($var, \Google\Protobuf\Internal\GPBType::ENUM, \Google\Protobuf\Internal\FieldOptions\OptionTargetType::class);
+        $this->targets = $arr;
+
+        return $this;
+    }
+
+    /**
+     * Generated from protobuf field <code>repeated .google.protobuf.FieldOptions.EditionDefault edition_defaults = 20;</code>
+     * @return \Google\Protobuf\Internal\RepeatedField
+     */
+    public function getEditionDefaults()
+    {
+        return $this->edition_defaults;
+    }
+
+    /**
+     * Generated from protobuf field <code>repeated .google.protobuf.FieldOptions.EditionDefault edition_defaults = 20;</code>
+     * @param array<\Google\Protobuf\Internal\FieldOptions\EditionDefault>|\Google\Protobuf\Internal\RepeatedField $var
+     * @return $this
+     */
+    public function setEditionDefaults($var)
+    {
+        $arr = GPBUtil::checkRepeatedField($var, \Google\Protobuf\Internal\GPBType::MESSAGE, \Google\Protobuf\Internal\FieldOptions\EditionDefault::class);
+        $this->edition_defaults = $arr;
+
+        return $this;
+    }
+
+    /**
+     * Any features defined in the specific edition.
+     *
+     * Generated from protobuf field <code>optional .google.protobuf.FeatureSet features = 21;</code>
+     * @return \Google\Protobuf\Internal\FeatureSet|null
+     */
+    public function getFeatures()
+    {
+        return $this->features;
+    }
+
+    public function hasFeatures()
+    {
+        return isset($this->features);
+    }
+
+    public function clearFeatures()
+    {
+        unset($this->features);
+    }
+
+    /**
+     * Any features defined in the specific edition.
+     *
+     * Generated from protobuf field <code>optional .google.protobuf.FeatureSet features = 21;</code>
+     * @param \Google\Protobuf\Internal\FeatureSet $var
+     * @return $this
+     */
+    public function setFeatures($var)
+    {
+        GPBUtil::checkMessage($var, \Google\Protobuf\Internal\FeatureSet::class);
+        $this->features = $var;
+
+        return $this;
+    }
+
+    /**
+     * Generated from protobuf field <code>optional .google.protobuf.FieldOptions.FeatureSupport feature_support = 22;</code>
+     * @return \Google\Protobuf\Internal\FieldOptions\FeatureSupport|null
+     */
+    public function getFeatureSupport()
+    {
+        return $this->feature_support;
+    }
+
+    public function hasFeatureSupport()
+    {
+        return isset($this->feature_support);
+    }
+
+    public function clearFeatureSupport()
+    {
+        unset($this->feature_support);
+    }
+
+    /**
+     * Generated from protobuf field <code>optional .google.protobuf.FieldOptions.FeatureSupport feature_support = 22;</code>
+     * @param \Google\Protobuf\Internal\FieldOptions\FeatureSupport $var
+     * @return $this
+     */
+    public function setFeatureSupport($var)
+    {
+        GPBUtil::checkMessage($var, \Google\Protobuf\Internal\FieldOptions\FeatureSupport::class);
+        $this->feature_support = $var;
+
+        return $this;
+    }
+
     /**
      * The parser stores options it doesn't recognize here. See above.
      *

php/src/Google/Protobuf/Internal/FieldOptions/CType.php

@@ -1,5 +1,6 @@
 <?php
 # Generated by the protocol buffer compiler.  DO NOT EDIT!
+# NO CHECKED-IN PROTOBUF GENCODE
 # source: google/protobuf/descriptor.proto
 
 namespace Google\Protobuf\Internal\FieldOptions;
@@ -18,6 +19,13 @@ class CType
      */
     const STRING = 0;
     /**
+     * The option [ctype=CORD] may be applied to a non-repeated field of type
+     * "bytes". It indicates that in C++, the data should be stored in a Cord
+     * instead of a string.  For very large strings, this may reduce memory
+     * fragmentation. It may also allow better performance when parsing from a
+     * Cord, or when parsing with aliasing enabled, as the parsed Cord may then
+     * alias the original buffer.
+     *
      * Generated from protobuf enum <code>CORD = 1;</code>
      */
     const CORD = 1;
@@ -53,6 +61,3 @@ class CType
     }
 }
 
-// Adding a class alias for backwards compatibility with the previous class name.
-class_alias(CType::class, \Google\Protobuf\Internal\FieldOptions_CType::class);
-

php/src/Google/Protobuf/Internal/FieldOptions/EditionDefault.php

@@ -0,0 +1,115 @@
+<?php
+# Generated by the protocol buffer compiler.  DO NOT EDIT!
+# NO CHECKED-IN PROTOBUF GENCODE
+# source: google/protobuf/descriptor.proto
+
+namespace Google\Protobuf\Internal\FieldOptions;
+
+use Google\Protobuf\Internal\GPBType;
+use Google\Protobuf\Internal\GPBWire;
+use Google\Protobuf\Internal\RepeatedField;
+use Google\Protobuf\Internal\InputStream;
+use Google\Protobuf\Internal\GPBUtil;
+
+/**
+ * Generated from protobuf message <code>google.protobuf.FieldOptions.EditionDefault</code>
+ */
+class EditionDefault extends \Google\Protobuf\Internal\Message
+{
+    /**
+     * Generated from protobuf field <code>optional .google.protobuf.Edition edition = 3;</code>
+     */
+    protected $edition = null;
+    /**
+     * Textproto value.
+     *
+     * Generated from protobuf field <code>optional string value = 2;</code>
+     */
+    protected $value = null;
+
+    /**
+     * Constructor.
+     *
+     * @param array $data {
+     *     Optional. Data for populating the Message object.
+     *
+     *     @type int $edition
+     *     @type string $value
+     *           Textproto value.
+     * }
+     */
+    public function __construct($data = NULL) {
+        \GPBMetadata\Google\Protobuf\Internal\Descriptor::initOnce();
+        parent::__construct($data);
+    }
+
+    /**
+     * Generated from protobuf field <code>optional .google.protobuf.Edition edition = 3;</code>
+     * @return int
+     */
+    public function getEdition()
+    {
+        return isset($this->edition) ? $this->edition : 0;
+    }
+
+    public function hasEdition()
+    {
+        return isset($this->edition);
+    }
+
+    public function clearEdition()
+    {
+        unset($this->edition);
+    }
+
+    /**
+     * Generated from protobuf field <code>optional .google.protobuf.Edition edition = 3;</code>
+     * @param int $var
+     * @return $this
+     */
+    public function setEdition($var)
+    {
+        GPBUtil::checkEnum($var, \Google\Protobuf\Internal\Edition::class);
+        $this->edition = $var;
+
+        return $this;
+    }
+
+    /**
+     * Textproto value.
+     *
+     * Generated from protobuf field <code>optional string value = 2;</code>
+     * @return string
+     */
+    public function getValue()
+    {
+        return isset($this->value) ? $this->value : '';
+    }
+
+    public function hasValue()
+    {
+        return isset($this->value);
+    }
+
+    public function clearValue()
+    {
+        unset($this->value);
+    }
+
+    /**
+     * Textproto value.
+     *
+     * Generated from protobuf field <code>optional string value = 2;</code>
+     * @param string $var
+     * @return $this
+     */
+    public function setValue($var)
+    {
+        GPBUtil::checkString($var, True);
+        $this->value = $var;
+
+        return $this;
+    }
+
+}
+

php/src/Google/Protobuf/Internal/FieldOptions/FeatureSupport.php

@@ -0,0 +1,236 @@
+<?php
+# Generated by the protocol buffer compiler.  DO NOT EDIT!
+# NO CHECKED-IN PROTOBUF GENCODE
+# source: google/protobuf/descriptor.proto
+
+namespace Google\Protobuf\Internal\FieldOptions;
+
+use Google\Protobuf\Internal\GPBType;
+use Google\Protobuf\Internal\GPBWire;
+use Google\Protobuf\Internal\RepeatedField;
+use Google\Protobuf\Internal\InputStream;
+use Google\Protobuf\Internal\GPBUtil;
+
+/**
+ * Information about the support window of a feature.
+ *
+ * Generated from protobuf message <code>google.protobuf.FieldOptions.FeatureSupport</code>
+ */
+class FeatureSupport extends \Google\Protobuf\Internal\Message
+{
+    /**
+     * The edition that this feature was first available in.  In editions
+     * earlier than this one, the default assigned to EDITION_LEGACY will be
+     * used, and proto files will not be able to override it.
+     *
+     * Generated from protobuf field <code>optional .google.protobuf.Edition edition_introduced = 1;</code>
+     */
+    protected $edition_introduced = null;
+    /**
+     * The edition this feature becomes deprecated in.  Using this after this
+     * edition may trigger warnings.
+     *
+     * Generated from protobuf field <code>optional .google.protobuf.Edition edition_deprecated = 2;</code>
+     */
+    protected $edition_deprecated = null;
+    /**
+     * The deprecation warning text if this feature is used after the edition it
+     * was marked deprecated in.
+     *
+     * Generated from protobuf field <code>optional string deprecation_warning = 3;</code>
+     */
+    protected $deprecation_warning = null;
+    /**
+     * The edition this feature is no longer available in.  In editions after
+     * this one, the last default assigned will be used, and proto files will
+     * not be able to override it.
+     *
+     * Generated from protobuf field <code>optional .google.protobuf.Edition edition_removed = 4;</code>
+     */
+    protected $edition_removed = null;
+
+    /**
+     * Constructor.
+     *
+     * @param array $data {
+     *     Optional. Data for populating the Message object.
+     *
+     *     @type int $edition_introduced
+     *           The edition that this feature was first available in.  In editions
+     *           earlier than this one, the default assigned to EDITION_LEGACY will be
+     *           used, and proto files will not be able to override it.
+     *     @type int $edition_deprecated
+     *           The edition this feature becomes deprecated in.  Using this after this
+     *           edition may trigger warnings.
+     *     @type string $deprecation_warning
+     *           The deprecation warning text if this feature is used after the edition it
+     *           was marked deprecated in.
+     *     @type int $edition_removed
+     *           The edition this feature is no longer available in.  In editions after
+     *           this one, the last default assigned will be used, and proto files will
+     *           not be able to override it.
+     * }
+     */
+    public function __construct($data = NULL) {
+        \GPBMetadata\Google\Protobuf\Internal\Descriptor::initOnce();
+        parent::__construct($data);
+    }
+
+    /**
+     * The edition that this feature was first available in.  In editions
+     * earlier than this one, the default assigned to EDITION_LEGACY will be
+     * used, and proto files will not be able to override it.
+     *
+     * Generated from protobuf field <code>optional .google.protobuf.Edition edition_introduced = 1;</code>
+     * @return int
+     */
+    public function getEditionIntroduced()
+    {
+        return isset($this->edition_introduced) ? $this->edition_introduced : 0;
+    }
+
+    public function hasEditionIntroduced()
+    {
+        return isset($this->edition_introduced);
+    }
+
+    public function clearEditionIntroduced()
+    {
+        unset($this->edition_introduced);
+    }
+
+    /**
+     * The edition that this feature was first available in.  In editions
+     * earlier than this one, the default assigned to EDITION_LEGACY will be
+     * used, and proto files will not be able to override it.
+     *
+     * Generated from protobuf field <code>optional .google.protobuf.Edition edition_introduced = 1;</code>
+     * @param int $var
+     * @return $this
+     */
+    public function setEditionIntroduced($var)
+    {
+        GPBUtil::checkEnum($var, \Google\Protobuf\Internal\Edition::class);
+        $this->edition_introduced = $var;
+
+        return $this;
+    }
+
+    /**
+     * The edition this feature becomes deprecated in.  Using this after this
+     * edition may trigger warnings.
+     *
+     * Generated from protobuf field <code>optional .google.protobuf.Edition edition_deprecated = 2;</code>
+     * @return int
+     */
+    public function getEditionDeprecated()
+    {
+        return isset($this->edition_deprecated) ? $this->edition_deprecated : 0;
+    }
+
+    public function hasEditionDeprecated()
+    {
+        return isset($this->edition_deprecated);
+    }
+
+    public function clearEditionDeprecated()
+    {
+        unset($this->edition_deprecated);
+    }
+
+    /**
+     * The edition this feature becomes deprecated in.  Using this after this
+     * edition may trigger warnings.
+     *
+     * Generated from protobuf field <code>optional .google.protobuf.Edition edition_deprecated = 2;</code>
+     * @param int $var
+     * @return $this
+     */
+    public function setEditionDeprecated($var)
+    {
+        GPBUtil::checkEnum($var, \Google\Protobuf\Internal\Edition::class);
+        $this->edition_deprecated = $var;
+
+        return $this;
+    }
+
+    /**
+     * The deprecation warning text if this feature is used after the edition it
+     * was marked deprecated in.
+     *
+     * Generated from protobuf field <code>optional string deprecation_warning = 3;</code>
+     * @return string
+     */
+    public function getDeprecationWarning()
+    {
+        return isset($this->deprecation_warning) ? $this->deprecation_warning : '';
+    }
+
+    public function hasDeprecationWarning()
+    {
+        return isset($this->deprecation_warning);
+    }
+
+    public function clearDeprecationWarning()
+    {
+        unset($this->deprecation_warning);
+    }
+
+    /**
+     * The deprecation warning text if this feature is used after the edition it
+     * was marked deprecated in.
+     *
+     * Generated from protobuf field <code>optional string deprecation_warning = 3;</code>
+     * @param string $var
+     * @return $this
+     */
+    public function setDeprecationWarning($var)
+    {
+        GPBUtil::checkString($var, True);
+        $this->deprecation_warning = $var;
+
+        return $this;
+    }
+
+    /**
+     * The edition this feature is no longer available in.  In editions after
+     * this one, the last default assigned will be used, and proto files will
+     * not be able to override it.
+     *
+     * Generated from protobuf field <code>optional .google.protobuf.Edition edition_removed = 4;</code>
+     * @return int
+     */
+    public function getEditionRemoved()
+    {
+        return isset($this->edition_removed) ? $this->edition_removed : 0;
+    }
+
+    public function hasEditionRemoved()
+    {
+        return isset($this->edition_removed);
+    }
+
+    public function clearEditionRemoved()
+    {
+        unset($this->edition_removed);
+    }
+
+    /**
+     * The edition this feature is no longer available in.  In editions after
+     * this one, the last default assigned will be used, and proto files will
+     * not be able to override it.
+     *
+     * Generated from protobuf field <code>optional .google.protobuf.Edition edition_removed = 4;</code>
+     * @param int $var
+     * @return $this
+     */
+    public function setEditionRemoved($var)
+    {
+        GPBUtil::checkEnum($var, \Google\Protobuf\Internal\Edition::class);
+        $this->edition_removed = $var;
+
+        return $this;
+    }
+
+}
+

php/src/Google/Protobuf/Internal/FieldOptions/JSType.php

@@ -1,5 +1,6 @@
 <?php
 # Generated by the protocol buffer compiler.  DO NOT EDIT!
+# NO CHECKED-IN PROTOBUF GENCODE
 # source: google/protobuf/descriptor.proto
 
 namespace Google\Protobuf\Internal\FieldOptions;
@@ -57,6 +58,3 @@ class JSType
     }
 }
 
-// Adding a class alias for backwards compatibility with the previous class name.
-class_alias(JSType::class, \Google\Protobuf\Internal\FieldOptions_JSType::class);
-

php/src/Google/Protobuf/Internal/FieldOptions/OptionRetention.php

@@ -0,0 +1,56 @@
+<?php
+# Generated by the protocol buffer compiler.  DO NOT EDIT!
+# NO CHECKED-IN PROTOBUF GENCODE
+# source: google/protobuf/descriptor.proto
+
+namespace Google\Protobuf\Internal\FieldOptions;
+
+use UnexpectedValueException;
+
+/**
+ * If set to RETENTION_SOURCE, the option will be omitted from the binary.
+ *
+ * Protobuf type <code>google.protobuf.FieldOptions.OptionRetention</code>
+ */
+class OptionRetention
+{
+    /**
+     * Generated from protobuf enum <code>RETENTION_UNKNOWN = 0;</code>
+     */
+    const RETENTION_UNKNOWN = 0;
+    /**
+     * Generated from protobuf enum <code>RETENTION_RUNTIME = 1;</code>
+     */
+    const RETENTION_RUNTIME = 1;
+    /**
+     * Generated from protobuf enum <code>RETENTION_SOURCE = 2;</code>
+     */
+    const RETENTION_SOURCE = 2;
+
+    private static $valueToName = [
+        self::RETENTION_UNKNOWN => 'RETENTION_UNKNOWN',
+        self::RETENTION_RUNTIME => 'RETENTION_RUNTIME',
+        self::RETENTION_SOURCE => 'RETENTION_SOURCE',
+    ];
+
+    public static function name($value)
+    {
+        if (!isset(self::$valueToName[$value])) {
+            throw new UnexpectedValueException(sprintf(
+                    'Enum %s has no name defined for value %s', __CLASS__, $value));
+        }
+        return self::$valueToName[$value];
+    }
+
+
+    public static function value($name)
+    {
+        $const = __CLASS__ . '::' . strtoupper($name);
+        if (!defined($const)) {
+            throw new UnexpectedValueException(sprintf(
+                    'Enum %s has no value defined for name %s', __CLASS__, $name));
+        }
+        return constant($const);
+    }
+}
+

php/src/Google/Protobuf/Internal/FieldOptions/OptionTargetType.php

@@ -0,0 +1,93 @@
+<?php
+# Generated by the protocol buffer compiler.  DO NOT EDIT!
+# NO CHECKED-IN PROTOBUF GENCODE
+# source: google/protobuf/descriptor.proto
+
+namespace Google\Protobuf\Internal\FieldOptions;
+
+use UnexpectedValueException;
+
+/**
+ * This indicates the types of entities that the field may apply to when used
+ * as an option. If it is unset, then the field may be freely used as an
+ * option on any kind of entity.
+ *
+ * Protobuf type <code>google.protobuf.FieldOptions.OptionTargetType</code>
+ */
+class OptionTargetType
+{
+    /**
+     * Generated from protobuf enum <code>TARGET_TYPE_UNKNOWN = 0;</code>
+     */
+    const TARGET_TYPE_UNKNOWN = 0;
+    /**
+     * Generated from protobuf enum <code>TARGET_TYPE_FILE = 1;</code>
+     */
+    const TARGET_TYPE_FILE = 1;
+    /**
+     * Generated from protobuf enum <code>TARGET_TYPE_EXTENSION_RANGE = 2;</code>
+     */
+    const TARGET_TYPE_EXTENSION_RANGE = 2;
+    /**
+     * Generated from protobuf enum <code>TARGET_TYPE_MESSAGE = 3;</code>
+     */
+    const TARGET_TYPE_MESSAGE = 3;
+    /**
+     * Generated from protobuf enum <code>TARGET_TYPE_FIELD = 4;</code>
+     */
+    const TARGET_TYPE_FIELD = 4;
+    /**
+     * Generated from protobuf enum <code>TARGET_TYPE_ONEOF = 5;</code>
+     */
+    const TARGET_TYPE_ONEOF = 5;
+    /**
+     * Generated from protobuf enum <code>TARGET_TYPE_ENUM = 6;</code>
+     */
+    const TARGET_TYPE_ENUM = 6;
+    /**
+     * Generated from protobuf enum <code>TARGET_TYPE_ENUM_ENTRY = 7;</code>
+     */
+    const TARGET_TYPE_ENUM_ENTRY = 7;
+    /**
+     * Generated from protobuf enum <code>TARGET_TYPE_SERVICE = 8;</code>
+     */
+    const TARGET_TYPE_SERVICE = 8;
+    /**
+     * Generated from protobuf enum <code>TARGET_TYPE_METHOD = 9;</code>
+     */
+    const TARGET_TYPE_METHOD = 9;
+
+    private static $valueToName = [
+        self::TARGET_TYPE_UNKNOWN => 'TARGET_TYPE_UNKNOWN',
+        self::TARGET_TYPE_FILE => 'TARGET_TYPE_FILE',
+        self::TARGET_TYPE_EXTENSION_RANGE => 'TARGET_TYPE_EXTENSION_RANGE',
+        self::TARGET_TYPE_MESSAGE => 'TARGET_TYPE_MESSAGE',
+        self::TARGET_TYPE_FIELD => 'TARGET_TYPE_FIELD',
+        self::TARGET_TYPE_ONEOF => 'TARGET_TYPE_ONEOF',
+        self::TARGET_TYPE_ENUM => 'TARGET_TYPE_ENUM',
+        self::TARGET_TYPE_ENUM_ENTRY => 'TARGET_TYPE_ENUM_ENTRY',
+        self::TARGET_TYPE_SERVICE => 'TARGET_TYPE_SERVICE',
+        self::TARGET_TYPE_METHOD => 'TARGET_TYPE_METHOD',
+    ];
+
+    public static function name($value)
+    {
+        if (!isset(self::$valueToName[$value])) {
+            throw new UnexpectedValueException(sprintf(
+                    'Enum %s has no name defined for value %s', __CLASS__, $value));
+        }
+        return self::$valueToName[$value];
+    }
+
+
+    public static function value($name)
+    {
+        $const = __CLASS__ . '::' . strtoupper($name);
+        if (!defined($const)) {
+            throw new UnexpectedValueException(sprintf(
+                    'Enum %s has no value defined for name %s', __CLASS__, $name));
+        }
+        return constant($const);
+    }
+}
+

php/src/Google/Protobuf/Internal/FileDescriptorProto.php

@@ -1,5 +1,6 @@
 <?php
 # Generated by the protocol buffer compiler.  DO NOT EDIT!
+# NO CHECKED-IN PROTOBUF GENCODE
 # source: google/protobuf/descriptor.proto
 
 namespace Google\Protobuf\Internal;
@@ -88,9 +89,9 @@ class FileDescriptorProto extends \Google\Protobuf\Internal\Message
      */
     protected $syntax = null;
     /**
-     * The edition of the proto file, which is an opaque string.
+     * The edition of the proto file.
      *
-     * Generated from protobuf field <code>optional string edition = 13;</code>
+     * Generated from protobuf field <code>optional .google.protobuf.Edition edition = 14;</code>
      */
     protected $edition = null;
 
@@ -126,8 +127,8 @@ class FileDescriptorProto extends \Google\Protobuf\Internal\Message
      *           The syntax of the proto file.
      *           The supported values are "proto2", "proto3", and "editions".
      *           If `edition` is present, this value must be "editions".
-     *     @type string $edition
+     *     @type int $edition
-     *           The edition of the proto file, which is an opaque string.
+     *           The edition of the proto file.
      * }
      */
     public function __construct($data = NULL) {
@@ -494,14 +495,14 @@ class FileDescriptorProto extends \Google\Protobuf\Internal\Message
     }
 
     /**
-     * The edition of the proto file, which is an opaque string.
+     * The edition of the proto file.
      *
-     * Generated from protobuf field <code>optional string edition = 13;</code>
+     * Generated from protobuf field <code>optional .google.protobuf.Edition edition = 14;</code>
-     * @return string
+     * @return int
      */
     public function getEdition()
     {
-        return isset($this->edition) ? $this->edition : '';
+        return isset($this->edition) ? $this->edition : 0;
     }
 
     public function hasEdition()
@@ -515,15 +516,15 @@ class FileDescriptorProto extends \Google\Protobuf\Internal\Message
     }
 
     /**
-     * The edition of the proto file, which is an opaque string.
+     * The edition of the proto file.
      *
-     * Generated from protobuf field <code>optional string edition = 13;</code>
+     * Generated from protobuf field <code>optional .google.protobuf.Edition edition = 14;</code>
-     * @param string $var
+     * @param int $var
      * @return $this
      */
     public function setEdition($var)
     {
-        GPBUtil::checkString($var, True);
+        GPBUtil::checkEnum($var, \Google\Protobuf\Internal\Edition::class);
         $this->edition = $var;
 
         return $this;

php/src/Google/Protobuf/Internal/FileDescriptorSet.php

@@ -1,5 +1,6 @@
 <?php
 # Generated by the protocol buffer compiler.  DO NOT EDIT!
+# NO CHECKED-IN PROTOBUF GENCODE
 # source: google/protobuf/descriptor.proto
 
 namespace Google\Protobuf\Internal;

php/src/Google/Protobuf/Internal/FileOptions.php

@@ -1,5 +1,6 @@
 <?php
 # Generated by the protocol buffer compiler.  DO NOT EDIT!
+# NO CHECKED-IN PROTOBUF GENCODE
 # source: google/protobuf/descriptor.proto
 
 namespace Google\Protobuf\Internal;
@@ -53,12 +54,14 @@ class FileOptions extends \Google\Protobuf\Internal\Message
      */
     protected $java_generate_equals_and_hash = null;
     /**
-     * If set true, then the Java2 code generator will generate code that
+     * A proto2 file can set this to true to opt in to UTF-8 checking for Java,
-     * throws an exception whenever an attempt is made to assign a non-UTF-8
+     * which will throw an exception if invalid UTF-8 is parsed from the wire or
-     * byte sequence to a string field.
+     * assigned to a string field.
-     * Message reflection will do the same.
+     * TODO: clarify exactly what kinds of field types this option
-     * However, an extension field still accepts non-UTF-8 byte sequences.
+     * applies to, and update these docs accordingly.
-     * This option has no effect on when used with the lite runtime.
+     * Proto3 files already perform these checks. Setting the option explicitly to
+     * false has no effect: it cannot be used to opt proto3 files out of UTF-8
+     * checks.
      *
      * Generated from protobuf field <code>optional bool java_string_check_utf8 = 27 [default = false];</code>
      */
@@ -99,10 +102,6 @@ class FileOptions extends \Google\Protobuf\Internal\Message
      * Generated from protobuf field <code>optional bool py_generic_services = 18 [default = false];</code>
      */
     protected $py_generic_services = null;
-    /**
-     * Generated from protobuf field <code>optional bool php_generic_services = 42 [default = false];</code>
-     */
-    protected $php_generic_services = null;
     /**
      * Is this file deprecated?
      * Depending on the target platform, this can emit Deprecated annotations
@@ -172,6 +171,12 @@ class FileOptions extends \Google\Protobuf\Internal\Message
      * Generated from protobuf field <code>optional string ruby_package = 45;</code>
      */
     protected $ruby_package = null;
+    /**
+     * Any features defined in the specific edition.
+     *
+     * Generated from protobuf field <code>optional .google.protobuf.FeatureSet features = 50;</code>
+     */
+    protected $features = null;
     /**
      * The parser stores options it doesn't recognize here.
      * See the documentation for the "Options" section above.
@@ -207,12 +212,14 @@ class FileOptions extends \Google\Protobuf\Internal\Message
      *     @type bool $java_generate_equals_and_hash
      *           This option does nothing.
      *     @type bool $java_string_check_utf8
-     *           If set true, then the Java2 code generator will generate code that
+     *           A proto2 file can set this to true to opt in to UTF-8 checking for Java,
-     *           throws an exception whenever an attempt is made to assign a non-UTF-8
+     *           which will throw an exception if invalid UTF-8 is parsed from the wire or
-     *           byte sequence to a string field.
+     *           assigned to a string field.
-     *           Message reflection will do the same.
+     *           TODO: clarify exactly what kinds of field types this option
-     *           However, an extension field still accepts non-UTF-8 byte sequences.
+     *           applies to, and update these docs accordingly.
-     *           This option has no effect on when used with the lite runtime.
+     *           Proto3 files already perform these checks. Setting the option explicitly to
+     *           false has no effect: it cannot be used to opt proto3 files out of UTF-8
+     *           checks.
      *     @type int $optimize_for
      *     @type string $go_package
      *           Sets the Go package where structs generated from this .proto will be
@@ -232,7 +239,6 @@ class FileOptions extends \Google\Protobuf\Internal\Message
      *           explicitly set them to true.
      *     @type bool $java_generic_services
      *     @type bool $py_generic_services
-     *     @type bool $php_generic_services
      *     @type bool $deprecated
      *           Is this file deprecated?
      *           Depending on the target platform, this can emit Deprecated annotations
@@ -266,6 +272,8 @@ class FileOptions extends \Google\Protobuf\Internal\Message
      *           Use this option to change the package of ruby generated classes. Default
      *           is empty. When this option is not set, the package name will be used for
      *           determining the ruby package.
+     *     @type \Google\Protobuf\Internal\FeatureSet $features
+     *           Any features defined in the specific edition.
      *     @type array<\Google\Protobuf\Internal\UninterpretedOption>|\Google\Protobuf\Internal\RepeatedField $uninterpreted_option
      *           The parser stores options it doesn't recognize here.
      *           See the documentation for the "Options" section above.
@@ -417,13 +425,17 @@ class FileOptions extends \Google\Protobuf\Internal\Message
      */
     public function getJavaGenerateEqualsAndHash()
     {
-        @trigger_error('java_generate_equals_and_hash is deprecated.', E_USER_DEPRECATED);
+        if (isset($this->java_generate_equals_and_hash)) {
+            @trigger_error('java_generate_equals_and_hash is deprecated.', E_USER_DEPRECATED);
+        }
         return isset($this->java_generate_equals_and_hash) ? $this->java_generate_equals_and_hash : false;
     }
 
     public function hasJavaGenerateEqualsAndHash()
     {
-        @trigger_error('java_generate_equals_and_hash is deprecated.', E_USER_DEPRECATED);
+        if (isset($this->java_generate_equals_and_hash)) {
+            @trigger_error('java_generate_equals_and_hash is deprecated.', E_USER_DEPRECATED);
+        }
         return isset($this->java_generate_equals_and_hash);
     }
 
@@ -451,12 +463,14 @@ class FileOptions extends \Google\Protobuf\Internal\Message
     }
 
     /**
-     * If set true, then the Java2 code generator will generate code that
+     * A proto2 file can set this to true to opt in to UTF-8 checking for Java,
-     * throws an exception whenever an attempt is made to assign a non-UTF-8
+     * which will throw an exception if invalid UTF-8 is parsed from the wire or
-     * byte sequence to a string field.
+     * assigned to a string field.
-     * Message reflection will do the same.
+     * TODO: clarify exactly what kinds of field types this option
-     * However, an extension field still accepts non-UTF-8 byte sequences.
+     * applies to, and update these docs accordingly.
-     * This option has no effect on when used with the lite runtime.
+     * Proto3 files already perform these checks. Setting the option explicitly to
+     * false has no effect: it cannot be used to opt proto3 files out of UTF-8
+     * checks.
      *
      * Generated from protobuf field <code>optional bool java_string_check_utf8 = 27 [default = false];</code>
      * @return bool
@@ -477,12 +491,14 @@ class FileOptions extends \Google\Protobuf\Internal\Message
     }
 
     /**
-     * If set true, then the Java2 code generator will generate code that
+     * A proto2 file can set this to true to opt in to UTF-8 checking for Java,
-     * throws an exception whenever an attempt is made to assign a non-UTF-8
+     * which will throw an exception if invalid UTF-8 is parsed from the wire or
-     * byte sequence to a string field.
+     * assigned to a string field.
-     * Message reflection will do the same.
+     * TODO: clarify exactly what kinds of field types this option
-     * However, an extension field still accepts non-UTF-8 byte sequences.
+     * applies to, and update these docs accordingly.
-     * This option has no effect on when used with the lite runtime.
+     * Proto3 files already perform these checks. Setting the option explicitly to
+     * false has no effect: it cannot be used to opt proto3 files out of UTF-8
+     * checks.
      *
      * Generated from protobuf field <code>optional bool java_string_check_utf8 = 27 [default = false];</code>
      * @param bool $var
@@ -688,38 +704,6 @@ class FileOptions extends \Google\Protobuf\Internal\Message
         return $this;
     }
 
-    /**
-     * Generated from protobuf field <code>optional bool php_generic_services = 42 [default = false];</code>
-     * @return bool
-     */
-    public function getPhpGenericServices()
-    {
-        return isset($this->php_generic_services) ? $this->php_generic_services : false;
-    }
-
-    public function hasPhpGenericServices()
-    {
-        return isset($this->php_generic_services);
-    }
-
-    public function clearPhpGenericServices()
-    {
-        unset($this->php_generic_services);
-    }
-
-    /**
-     * Generated from protobuf field <code>optional bool php_generic_services = 42 [default = false];</code>
-     * @param bool $var
-     * @return $this
-     */
-    public function setPhpGenericServices($var)
-    {
-        GPBUtil::checkBool($var);
-        $this->php_generic_services = $var;
-
-        return $this;
-    }
-
     /**
      * Is this file deprecated?
      * Depending on the target platform, this can emit Deprecated annotations
@@ -1074,6 +1058,42 @@ class FileOptions extends \Google\Protobuf\Internal\Message
         return $this;
     }
 
+    /**
+     * Any features defined in the specific edition.
+     *
+     * Generated from protobuf field <code>optional .google.protobuf.FeatureSet features = 50;</code>
+     * @return \Google\Protobuf\Internal\FeatureSet|null
+     */
+    public function getFeatures()
+    {
+        return $this->features;
+    }
+
+    public function hasFeatures()
+    {
+        return isset($this->features);
+    }
+
+    public function clearFeatures()
+    {
+        unset($this->features);
+    }
+
+    /**
+     * Any features defined in the specific edition.
+     *
+     * Generated from protobuf field <code>optional .google.protobuf.FeatureSet features = 50;</code>
+     * @param \Google\Protobuf\Internal\FeatureSet $var
+     * @return $this
+     */
+    public function setFeatures($var)
+    {
+        GPBUtil::checkMessage($var, \Google\Protobuf\Internal\FeatureSet::class);
+        $this->features = $var;
+
+        return $this;
+    }
+
     /**
      * The parser stores options it doesn't recognize here.
      * See the documentation for the "Options" section above.

php/src/Google/Protobuf/Internal/FileOptions/OptimizeMode.php

@@ -1,5 +1,6 @@
 <?php
 # Generated by the protocol buffer compiler.  DO NOT EDIT!
+# NO CHECKED-IN PROTOBUF GENCODE
 # source: google/protobuf/descriptor.proto
 
 namespace Google\Protobuf\Internal\FileOptions;
@@ -59,6 +60,3 @@ class OptimizeMode
     }
 }
 
-// Adding a class alias for backwards compatibility with the previous class name.
-class_alias(OptimizeMode::class, \Google\Protobuf\Internal\FileOptions_OptimizeMode::class);
-

php/src/Google/Protobuf/Internal/GeneratedCodeInfo.php

@@ -1,5 +1,6 @@
 <?php
 # Generated by the protocol buffer compiler.  DO NOT EDIT!
+# NO CHECKED-IN PROTOBUF GENCODE
 # source: google/protobuf/descriptor.proto
 
 namespace Google\Protobuf\Internal;

php/src/Google/Protobuf/Internal/GeneratedCodeInfo/Annotation.php

@@ -1,5 +1,6 @@
 <?php
 # Generated by the protocol buffer compiler.  DO NOT EDIT!
+# NO CHECKED-IN PROTOBUF GENCODE
 # source: google/protobuf/descriptor.proto
 
 namespace Google\Protobuf\Internal\GeneratedCodeInfo;
@@ -250,6 +251,3 @@ class Annotation extends \Google\Protobuf\Internal\Message
 
 }
 
-// Adding a class alias for backwards compatibility with the previous class name.
-class_alias(Annotation::class, \Google\Protobuf\Internal\GeneratedCodeInfo_Annotation::class);
-

php/src/Google/Protobuf/Internal/GeneratedCodeInfo/Annotation/Semantic.php

@@ -0,0 +1,63 @@
+<?php
+# Generated by the protocol buffer compiler.  DO NOT EDIT!
+# NO CHECKED-IN PROTOBUF GENCODE
+# source: google/protobuf/descriptor.proto
+
+namespace Google\Protobuf\Internal\GeneratedCodeInfo\Annotation;
+
+use UnexpectedValueException;
+
+/**
+ * Represents the identified object's effect on the element in the original
+ * .proto file.
+ *
+ * Protobuf type <code>google.protobuf.GeneratedCodeInfo.Annotation.Semantic</code>
+ */
+class Semantic
+{
+    /**
+     * There is no effect or the effect is indescribable.
+     *
+     * Generated from protobuf enum <code>NONE = 0;</code>
+     */
+    const NONE = 0;
+    /**
+     * The element is set or otherwise mutated.
+     *
+     * Generated from protobuf enum <code>SET = 1;</code>
+     */
+    const SET = 1;
+    /**
+     * An alias to the element is returned.
+     *
+     * Generated from protobuf enum <code>ALIAS = 2;</code>
+     */
+    const ALIAS = 2;
+
+    private static $valueToName = [
+        self::NONE => 'NONE',
+        self::SET => 'SET',
+        self::ALIAS => 'ALIAS',
+    ];
+
+    public static function name($value)
+    {
+        if (!isset(self::$valueToName[$value])) {
+            throw new UnexpectedValueException(sprintf(
+                    'Enum %s has no name defined for value %s', __CLASS__, $value));
+        }
+        return self::$valueToName[$value];
+    }
+
+
+    public static function value($name)
+    {
+        $const = __CLASS__ . '::' . strtoupper($name);
+        if (!defined($const)) {
+            throw new UnexpectedValueException(sprintf(
+                    'Enum %s has no value defined for name %s', __CLASS__, $name));
+        }
+        return constant($const);
+    }
+}
+

php/src/Google/Protobuf/Internal/MessageOptions.php

@@ -1,5 +1,6 @@
 <?php
 # Generated by the protocol buffer compiler.  DO NOT EDIT!
+# NO CHECKED-IN PROTOBUF GENCODE
 # source: google/protobuf/descriptor.proto
 
 namespace Google\Protobuf\Internal;
@@ -53,9 +54,6 @@ class MessageOptions extends \Google\Protobuf\Internal\Message
      */
     protected $deprecated = null;
     /**
-     * NOTE: Do not set the option in .proto files. Always use the maps syntax
-     * instead. The option should only be implicitly set by the proto compiler
-     * parser.
      * Whether the message is an automatically generated map entry type for the
      * maps field.
      * For maps fields:
@@ -71,6 +69,9 @@ class MessageOptions extends \Google\Protobuf\Internal\Message
      * use a native map in the target language to hold the keys and values.
      * The reflection APIs in such implementations still need to work as
      * if the field is a repeated message field.
+     * NOTE: Do not set the option in .proto files. Always use the maps syntax
+     * instead. The option should only be implicitly set by the proto compiler
+     * parser.
      *
      * Generated from protobuf field <code>optional bool map_entry = 7;</code>
      */
@@ -89,6 +90,12 @@ class MessageOptions extends \Google\Protobuf\Internal\Message
      * @deprecated
      */
     protected $deprecated_legacy_json_field_conflicts = null;
+    /**
+     * Any features defined in the specific edition.
+     *
+     * Generated from protobuf field <code>optional .google.protobuf.FeatureSet features = 12;</code>
+     */
+    protected $features = null;
     /**
      * The parser stores options it doesn't recognize here. See above.
      *
@@ -128,9 +135,6 @@ class MessageOptions extends \Google\Protobuf\Internal\Message
      *           for the message, or it will be completely ignored; in the very least,
      *           this is a formalization for deprecating messages.
      *     @type bool $map_entry
-     *           NOTE: Do not set the option in .proto files. Always use the maps syntax
-     *           instead. The option should only be implicitly set by the proto compiler
-     *           parser.
      *           Whether the message is an automatically generated map entry type for the
      *           maps field.
      *           For maps fields:
@@ -146,6 +150,9 @@ class MessageOptions extends \Google\Protobuf\Internal\Message
      *           use a native map in the target language to hold the keys and values.
      *           The reflection APIs in such implementations still need to work as
      *           if the field is a repeated message field.
+     *           NOTE: Do not set the option in .proto files. Always use the maps syntax
+     *           instead. The option should only be implicitly set by the proto compiler
+     *           parser.
      *     @type bool $deprecated_legacy_json_field_conflicts
      *           Enable the legacy handling of JSON field name conflicts.  This lowercases
      *           and strips underscored from the fields before comparison in proto3 only.
@@ -155,6 +162,8 @@ class MessageOptions extends \Google\Protobuf\Internal\Message
      *           to the change in behavior for JSON field name conflicts.
      *           TODO This is legacy behavior we plan to remove once downstream
      *           teams have had time to migrate.
+     *     @type \Google\Protobuf\Internal\FeatureSet $features
+     *           Any features defined in the specific edition.
      *     @type array<\Google\Protobuf\Internal\UninterpretedOption>|\Google\Protobuf\Internal\RepeatedField $uninterpreted_option
      *           The parser stores options it doesn't recognize here. See above.
      * }
@@ -311,9 +320,6 @@ class MessageOptions extends \Google\Protobuf\Internal\Message
     }
 
     /**
-     * NOTE: Do not set the option in .proto files. Always use the maps syntax
-     * instead. The option should only be implicitly set by the proto compiler
-     * parser.
      * Whether the message is an automatically generated map entry type for the
      * maps field.
      * For maps fields:
@@ -329,6 +335,9 @@ class MessageOptions extends \Google\Protobuf\Internal\Message
      * use a native map in the target language to hold the keys and values.
      * The reflection APIs in such implementations still need to work as
      * if the field is a repeated message field.
+     * NOTE: Do not set the option in .proto files. Always use the maps syntax
+     * instead. The option should only be implicitly set by the proto compiler
+     * parser.
      *
      * Generated from protobuf field <code>optional bool map_entry = 7;</code>
      * @return bool
@@ -349,9 +358,6 @@ class MessageOptions extends \Google\Protobuf\Internal\Message
     }
 
     /**
-     * NOTE: Do not set the option in .proto files. Always use the maps syntax
-     * instead. The option should only be implicitly set by the proto compiler
-     * parser.
      * Whether the message is an automatically generated map entry type for the
      * maps field.
      * For maps fields:
@@ -367,6 +373,9 @@ class MessageOptions extends \Google\Protobuf\Internal\Message
      * use a native map in the target language to hold the keys and values.
      * The reflection APIs in such implementations still need to work as
      * if the field is a repeated message field.
+     * NOTE: Do not set the option in .proto files. Always use the maps syntax
+     * instead. The option should only be implicitly set by the proto compiler
+     * parser.
      *
      * Generated from protobuf field <code>optional bool map_entry = 7;</code>
      * @param bool $var
@@ -396,13 +405,17 @@ class MessageOptions extends \Google\Protobuf\Internal\Message
      */
     public function getDeprecatedLegacyJsonFieldConflicts()
     {
-        @trigger_error('deprecated_legacy_json_field_conflicts is deprecated.', E_USER_DEPRECATED);
+        if (isset($this->deprecated_legacy_json_field_conflicts)) {
+            @trigger_error('deprecated_legacy_json_field_conflicts is deprecated.', E_USER_DEPRECATED);
+        }
         return isset($this->deprecated_legacy_json_field_conflicts) ? $this->deprecated_legacy_json_field_conflicts : false;
     }
 
     public function hasDeprecatedLegacyJsonFieldConflicts()
     {
-        @trigger_error('deprecated_legacy_json_field_conflicts is deprecated.', E_USER_DEPRECATED);
+        if (isset($this->deprecated_legacy_json_field_conflicts)) {
+            @trigger_error('deprecated_legacy_json_field_conflicts is deprecated.', E_USER_DEPRECATED);
+        }
         return isset($this->deprecated_legacy_json_field_conflicts);
     }
 
@@ -436,6 +449,42 @@ class MessageOptions extends \Google\Protobuf\Internal\Message
         return $this;
     }
 
+    /**
+     * Any features defined in the specific edition.
+     *
+     * Generated from protobuf field <code>optional .google.protobuf.FeatureSet features = 12;</code>
+     * @return \Google\Protobuf\Internal\FeatureSet|null
+     */
+    public function getFeatures()
+    {
+        return $this->features;
+    }
+
+    public function hasFeatures()
+    {
+        return isset($this->features);
+    }
+
+    public function clearFeatures()
+    {
+        unset($this->features);
+    }
+
+    /**
+     * Any features defined in the specific edition.
+     *
+     * Generated from protobuf field <code>optional .google.protobuf.FeatureSet features = 12;</code>
+     * @param \Google\Protobuf\Internal\FeatureSet $var
+     * @return $this
+     */
+    public function setFeatures($var)
+    {
+        GPBUtil::checkMessage($var, \Google\Protobuf\Internal\FeatureSet::class);
+        $this->features = $var;
+
+        return $this;
+    }
+
     /**
      * The parser stores options it doesn't recognize here. See above.
      *

php/src/Google/Protobuf/Internal/MethodDescriptorProto.php

@@ -1,5 +1,6 @@
 <?php
 # Generated by the protocol buffer compiler.  DO NOT EDIT!
+# NO CHECKED-IN PROTOBUF GENCODE
 # source: google/protobuf/descriptor.proto
 
 namespace Google\Protobuf\Internal;

php/src/Google/Protobuf/Internal/MethodOptions.php

@@ -1,5 +1,6 @@
 <?php
 # Generated by the protocol buffer compiler.  DO NOT EDIT!
+# NO CHECKED-IN PROTOBUF GENCODE
 # source: google/protobuf/descriptor.proto
 
 namespace Google\Protobuf\Internal;
@@ -28,6 +29,12 @@ class MethodOptions extends \Google\Protobuf\Internal\Message
      * Generated from protobuf field <code>optional .google.protobuf.MethodOptions.IdempotencyLevel idempotency_level = 34 [default = IDEMPOTENCY_UNKNOWN];</code>
      */
     protected $idempotency_level = null;
+    /**
+     * Any features defined in the specific edition.
+     *
+     * Generated from protobuf field <code>optional .google.protobuf.FeatureSet features = 35;</code>
+     */
+    protected $features = null;
     /**
      * The parser stores options it doesn't recognize here. See above.
      *
@@ -47,6 +54,8 @@ class MethodOptions extends \Google\Protobuf\Internal\Message
      *           for the method, or it will be completely ignored; in the very least,
      *           this is a formalization for deprecating methods.
      *     @type int $idempotency_level
+     *     @type \Google\Protobuf\Internal\FeatureSet $features
+     *           Any features defined in the specific edition.
      *     @type array<\Google\Protobuf\Internal\UninterpretedOption>|\Google\Protobuf\Internal\RepeatedField $uninterpreted_option
      *           The parser stores options it doesn't recognize here. See above.
      * }
@@ -130,6 +139,42 @@ class MethodOptions extends \Google\Protobuf\Internal\Message
         return $this;
     }
 
+    /**
+     * Any features defined in the specific edition.
+     *
+     * Generated from protobuf field <code>optional .google.protobuf.FeatureSet features = 35;</code>
+     * @return \Google\Protobuf\Internal\FeatureSet|null
+     */
+    public function getFeatures()
+    {
+        return $this->features;
+    }
+
+    public function hasFeatures()
+    {
+        return isset($this->features);
+    }
+
+    public function clearFeatures()
+    {
+        unset($this->features);
+    }
+
+    /**
+     * Any features defined in the specific edition.
+     *
+     * Generated from protobuf field <code>optional .google.protobuf.FeatureSet features = 35;</code>
+     * @param \Google\Protobuf\Internal\FeatureSet $var
+     * @return $this
+     */
+    public function setFeatures($var)
+    {
+        GPBUtil::checkMessage($var, \Google\Protobuf\Internal\FeatureSet::class);
+        $this->features = $var;
+
+        return $this;
+    }
+
     /**
      * The parser stores options it doesn't recognize here. See above.
      *

php/src/Google/Protobuf/Internal/MethodOptions/IdempotencyLevel.php

@@ -1,5 +1,6 @@
 <?php
 # Generated by the protocol buffer compiler.  DO NOT EDIT!
+# NO CHECKED-IN PROTOBUF GENCODE
 # source: google/protobuf/descriptor.proto
 
 namespace Google\Protobuf\Internal\MethodOptions;
@@ -59,6 +60,3 @@ class IdempotencyLevel
     }
 }
 
-// Adding a class alias for backwards compatibility with the previous class name.
-class_alias(IdempotencyLevel::class, \Google\Protobuf\Internal\MethodOptions_IdempotencyLevel::class);
-

php/src/Google/Protobuf/Internal/OneofDescriptorProto.php

@@ -1,5 +1,6 @@
 <?php
 # Generated by the protocol buffer compiler.  DO NOT EDIT!
+# NO CHECKED-IN PROTOBUF GENCODE
 # source: google/protobuf/descriptor.proto
 
 namespace Google\Protobuf\Internal;

php/src/Google/Protobuf/Internal/OneofOptions.php

@@ -1,5 +1,6 @@
 <?php
 # Generated by the protocol buffer compiler.  DO NOT EDIT!
+# NO CHECKED-IN PROTOBUF GENCODE
 # source: google/protobuf/descriptor.proto
 
 namespace Google\Protobuf\Internal;
@@ -15,6 +16,12 @@ use Google\Protobuf\Internal\GPBUtil;
  */
 class OneofOptions extends \Google\Protobuf\Internal\Message
 {
+    /**
+     * Any features defined in the specific edition.
+     *
+     * Generated from protobuf field <code>optional .google.protobuf.FeatureSet features = 1;</code>
+     */
+    protected $features = null;
     /**
      * The parser stores options it doesn't recognize here. See above.
      *
@@ -28,6 +35,8 @@ class OneofOptions extends \Google\Protobuf\Internal\Message
      * @param array $data {
      *     Optional. Data for populating the Message object.
      *
+     *     @type \Google\Protobuf\Internal\FeatureSet $features
+     *           Any features defined in the specific edition.
      *     @type array<\Google\Protobuf\Internal\UninterpretedOption>|\Google\Protobuf\Internal\RepeatedField $uninterpreted_option
      *           The parser stores options it doesn't recognize here. See above.
      * }
@@ -37,6 +46,42 @@ class OneofOptions extends \Google\Protobuf\Internal\Message
         parent::__construct($data);
     }
 
+    /**
+     * Any features defined in the specific edition.
+     *
+     * Generated from protobuf field <code>optional .google.protobuf.FeatureSet features = 1;</code>
+     * @return \Google\Protobuf\Internal\FeatureSet|null
+     */
+    public function getFeatures()
+    {
+        return $this->features;
+    }
+
+    public function hasFeatures()
+    {
+        return isset($this->features);
+    }
+
+    public function clearFeatures()
+    {
+        unset($this->features);
+    }
+
+    /**
+     * Any features defined in the specific edition.
+     *
+     * Generated from protobuf field <code>optional .google.protobuf.FeatureSet features = 1;</code>
+     * @param \Google\Protobuf\Internal\FeatureSet $var
+     * @return $this
+     */
+    public function setFeatures($var)
+    {
+        GPBUtil::checkMessage($var, \Google\Protobuf\Internal\FeatureSet::class);
+        $this->features = $var;
+
+        return $this;
+    }
+
     /**
      * The parser stores options it doesn't recognize here. See above.
      *

php/src/Google/Protobuf/Internal/ServiceDescriptorProto.php

@@ -1,5 +1,6 @@
 <?php
 # Generated by the protocol buffer compiler.  DO NOT EDIT!
+# NO CHECKED-IN PROTOBUF GENCODE
 # source: google/protobuf/descriptor.proto
 
 namespace Google\Protobuf\Internal;

php/src/Google/Protobuf/Internal/ServiceOptions.php

@@ -1,5 +1,6 @@
 <?php
 # Generated by the protocol buffer compiler.  DO NOT EDIT!
+# NO CHECKED-IN PROTOBUF GENCODE
 # source: google/protobuf/descriptor.proto
 
 namespace Google\Protobuf\Internal;
@@ -15,6 +16,12 @@ use Google\Protobuf\Internal\GPBUtil;
  */
 class ServiceOptions extends \Google\Protobuf\Internal\Message
 {
+    /**
+     * Any features defined in the specific edition.
+     *
+     * Generated from protobuf field <code>optional .google.protobuf.FeatureSet features = 34;</code>
+     */
+    protected $features = null;
     /**
      * Is this service deprecated?
      * Depending on the target platform, this can emit Deprecated annotations
@@ -37,6 +44,8 @@ class ServiceOptions extends \Google\Protobuf\Internal\Message
      * @param array $data {
      *     Optional. Data for populating the Message object.
      *
+     *     @type \Google\Protobuf\Internal\FeatureSet $features
+     *           Any features defined in the specific edition.
      *     @type bool $deprecated
      *           Is this service deprecated?
      *           Depending on the target platform, this can emit Deprecated annotations
@@ -51,6 +60,42 @@ class ServiceOptions extends \Google\Protobuf\Internal\Message
         parent::__construct($data);
     }
 
+    /**
+     * Any features defined in the specific edition.
+     *
+     * Generated from protobuf field <code>optional .google.protobuf.FeatureSet features = 34;</code>
+     * @return \Google\Protobuf\Internal\FeatureSet|null
+     */
+    public function getFeatures()
+    {
+        return $this->features;
+    }
+
+    public function hasFeatures()
+    {
+        return isset($this->features);
+    }
+
+    public function clearFeatures()
+    {
+        unset($this->features);
+    }
+
+    /**
+     * Any features defined in the specific edition.
+     *
+     * Generated from protobuf field <code>optional .google.protobuf.FeatureSet features = 34;</code>
+     * @param \Google\Protobuf\Internal\FeatureSet $var
+     * @return $this
+     */
+    public function setFeatures($var)
+    {
+        GPBUtil::checkMessage($var, \Google\Protobuf\Internal\FeatureSet::class);
+        $this->features = $var;
+
+        return $this;
+    }
+
     /**
      * Is this service deprecated?
      * Depending on the target platform, this can emit Deprecated annotations

php/src/Google/Protobuf/Internal/SourceCodeInfo.php

@@ -1,5 +1,6 @@
 <?php
 # Generated by the protocol buffer compiler.  DO NOT EDIT!
+# NO CHECKED-IN PROTOBUF GENCODE
 # source: google/protobuf/descriptor.proto
 
 namespace Google\Protobuf\Internal;

php/src/Google/Protobuf/Internal/SourceCodeInfo/Location.php

@@ -1,5 +1,6 @@
 <?php
 # Generated by the protocol buffer compiler.  DO NOT EDIT!
+# NO CHECKED-IN PROTOBUF GENCODE
 # source: google/protobuf/descriptor.proto
 
 namespace Google\Protobuf\Internal\SourceCodeInfo;
@@ -19,7 +20,7 @@ class Location extends \Google\Protobuf\Internal\Message
      * Identifies which part of the FileDescriptorProto was defined at this
      * location.
      * Each element is a field number or an index.  They form a path from
-     * the root FileDescriptorProto to the place where the definition occurs.
+     * the root FileDescriptorProto to the place where the definition appears.
      * For example, this path:
      *   [ 4, 3, 2, 7, 1 ]
      * refers to:
@@ -81,11 +82,11 @@ class Location extends \Google\Protobuf\Internal\Message
      *   // both.
      *   // Detached comment for corge paragraph 2.
      *   optional string corge = 5;
-     *   /&#42; Block comment attached
+     *   /* Block comment attached
      *    * to corge.  Leading asterisks
-     *    * will be removed. *&#47;
+     *    * will be removed. {@*}
-     *   /&#42; Block comment attached to
+     *   /* Block comment attached to
-     *    * grault. *&#47;
+     *    * grault. {@*}
      *   optional int32 grault = 6;
      *   // ignored detached comments.
      *
@@ -111,7 +112,7 @@ class Location extends \Google\Protobuf\Internal\Message
      *           Identifies which part of the FileDescriptorProto was defined at this
      *           location.
      *           Each element is a field number or an index.  They form a path from
-     *           the root FileDescriptorProto to the place where the definition occurs.
+     *           the root FileDescriptorProto to the place where the definition appears.
      *           For example, this path:
      *             [ 4, 3, 2, 7, 1 ]
      *           refers to:
@@ -165,11 +166,11 @@ class Location extends \Google\Protobuf\Internal\Message
      *             // both.
      *             // Detached comment for corge paragraph 2.
      *             optional string corge = 5;
-     *             /&#42; Block comment attached
+     *             /* Block comment attached
      *              * to corge.  Leading asterisks
-     *              * will be removed. *&#47;
+     *              * will be removed. {@*}
-     *             /&#42; Block comment attached to
+     *             /* Block comment attached to
-     *              * grault. *&#47;
+     *              * grault. {@*}
      *             optional int32 grault = 6;
      *             // ignored detached comments.
      *     @type string $trailing_comments
@@ -185,7 +186,7 @@ class Location extends \Google\Protobuf\Internal\Message
      * Identifies which part of the FileDescriptorProto was defined at this
      * location.
      * Each element is a field number or an index.  They form a path from
-     * the root FileDescriptorProto to the place where the definition occurs.
+     * the root FileDescriptorProto to the place where the definition appears.
      * For example, this path:
      *   [ 4, 3, 2, 7, 1 ]
      * refers to:
@@ -216,7 +217,7 @@ class Location extends \Google\Protobuf\Internal\Message
      * Identifies which part of the FileDescriptorProto was defined at this
      * location.
      * Each element is a field number or an index.  They form a path from
-     * the root FileDescriptorProto to the place where the definition occurs.
+     * the root FileDescriptorProto to the place where the definition appears.
      * For example, this path:
      *   [ 4, 3, 2, 7, 1 ]
      * refers to:
@@ -311,11 +312,11 @@ class Location extends \Google\Protobuf\Internal\Message
      *   // both.
      *   // Detached comment for corge paragraph 2.
      *   optional string corge = 5;
-     *   /&#42; Block comment attached
+     *   /* Block comment attached
      *    * to corge.  Leading asterisks
-     *    * will be removed. *&#47;
+     *    * will be removed. {@*}
-     *   /&#42; Block comment attached to
+     *   /* Block comment attached to
-     *    * grault. *&#47;
+     *    * grault. {@*}
      *   optional int32 grault = 6;
      *   // ignored detached comments.
      *
@@ -367,11 +368,11 @@ class Location extends \Google\Protobuf\Internal\Message
      *   // both.
      *   // Detached comment for corge paragraph 2.
      *   optional string corge = 5;
-     *   /&#42; Block comment attached
+     *   /* Block comment attached
      *    * to corge.  Leading asterisks
-     *    * will be removed. *&#47;
+     *    * will be removed. {@*}
-     *   /&#42; Block comment attached to
+     *   /* Block comment attached to
-     *    * grault. *&#47;
+     *    * grault. {@*}
      *   optional int32 grault = 6;
      *   // ignored detached comments.
      *
@@ -443,6 +444,3 @@ class Location extends \Google\Protobuf\Internal\Message
 
 }
 
-// Adding a class alias for backwards compatibility with the previous class name.
-class_alias(Location::class, \Google\Protobuf\Internal\SourceCodeInfo_Location::class);
-

php/src/Google/Protobuf/Internal/UninterpretedOption.php

@@ -1,5 +1,6 @@
 <?php
 # Generated by the protocol buffer compiler.  DO NOT EDIT!
+# NO CHECKED-IN PROTOBUF GENCODE
 # source: google/protobuf/descriptor.proto
 
 namespace Google\Protobuf\Internal;

php/src/Google/Protobuf/Internal/UninterpretedOption/NamePart.php

@@ -1,5 +1,6 @@
 <?php
 # Generated by the protocol buffer compiler.  DO NOT EDIT!
+# NO CHECKED-IN PROTOBUF GENCODE
 # source: google/protobuf/descriptor.proto
 
 namespace Google\Protobuf\Internal\UninterpretedOption;
@@ -111,6 +112,3 @@ class NamePart extends \Google\Protobuf\Internal\Message
 
 }
 
-// Adding a class alias for backwards compatibility with the previous class name.
-class_alias(NamePart::class, \Google\Protobuf\Internal\UninterpretedOption_NamePart::class);
-

php/src/Google/Protobuf/ListValue.php

@@ -1,5 +1,6 @@
 <?php
 # Generated by the protocol buffer compiler.  DO NOT EDIT!
+# NO CHECKED-IN PROTOBUF GENCODE
 # source: google/protobuf/struct.proto
 
 namespace Google\Protobuf;

php/src/Google/Protobuf/Method.php

@@ -1,5 +1,6 @@
 <?php
 # Generated by the protocol buffer compiler.  DO NOT EDIT!
+# NO CHECKED-IN PROTOBUF GENCODE
 # source: google/protobuf/api.proto
 
 namespace Google\Protobuf;

php/src/Google/Protobuf/Mixin.php

@@ -1,5 +1,6 @@
 <?php
 # Generated by the protocol buffer compiler.  DO NOT EDIT!
+# NO CHECKED-IN PROTOBUF GENCODE
 # source: google/protobuf/api.proto
 
 namespace Google\Protobuf;

php/src/Google/Protobuf/NullValue.php

@@ -1,5 +1,6 @@
 <?php
 # Generated by the protocol buffer compiler.  DO NOT EDIT!
+# NO CHECKED-IN PROTOBUF GENCODE
 # source: google/protobuf/struct.proto
 
 namespace Google\Protobuf;
@@ -9,7 +10,7 @@ use UnexpectedValueException;
 /**
  * `NullValue` is a singleton enumeration to represent the null value for the
  * `Value` type union.
- *  The JSON representation for `NullValue` is JSON `null`.
+ * The JSON representation for `NullValue` is JSON `null`.
  *
  * Protobuf type <code>google.protobuf.NullValue</code>
  */

php/src/Google/Protobuf/Option.php

@@ -1,5 +1,6 @@
 <?php
 # Generated by the protocol buffer compiler.  DO NOT EDIT!
+# NO CHECKED-IN PROTOBUF GENCODE
 # source: google/protobuf/type.proto
 
 namespace Google\Protobuf;

php/src/Google/Protobuf/SourceContext.php

@@ -1,5 +1,6 @@
 <?php
 # Generated by the protocol buffer compiler.  DO NOT EDIT!
+# NO CHECKED-IN PROTOBUF GENCODE
 # source: google/protobuf/source_context.proto
 
 namespace Google\Protobuf;

php/src/Google/Protobuf/StringValue.php

@@ -1,5 +1,6 @@
 <?php
 # Generated by the protocol buffer compiler.  DO NOT EDIT!
+# NO CHECKED-IN PROTOBUF GENCODE
 # source: google/protobuf/wrappers.proto
 
 namespace Google\Protobuf;

php/src/Google/Protobuf/Struct.php

@@ -1,5 +1,6 @@
 <?php
 # Generated by the protocol buffer compiler.  DO NOT EDIT!
+# NO CHECKED-IN PROTOBUF GENCODE
 # source: google/protobuf/struct.proto
 
 namespace Google\Protobuf;

php/src/Google/Protobuf/Syntax.php

@@ -1,5 +1,6 @@
 <?php
 # Generated by the protocol buffer compiler.  DO NOT EDIT!
+# NO CHECKED-IN PROTOBUF GENCODE
 # source: google/protobuf/type.proto
 
 namespace Google\Protobuf;
@@ -25,10 +26,17 @@ class Syntax
      * Generated from protobuf enum <code>SYNTAX_PROTO3 = 1;</code>
      */
     const SYNTAX_PROTO3 = 1;
+    /**
+     * Syntax `editions`.
+     *
+     * Generated from protobuf enum <code>SYNTAX_EDITIONS = 2;</code>
+     */
+    const SYNTAX_EDITIONS = 2;
 
     private static $valueToName = [
         self::SYNTAX_PROTO2 => 'SYNTAX_PROTO2',
         self::SYNTAX_PROTO3 => 'SYNTAX_PROTO3',
+        self::SYNTAX_EDITIONS => 'SYNTAX_EDITIONS',
     ];
 
     public static function name($value)

php/src/Google/Protobuf/Timestamp.php

@@ -1,5 +1,6 @@
 <?php
 # Generated by the protocol buffer compiler.  DO NOT EDIT!
+# NO CHECKED-IN PROTOBUF GENCODE
 # source: google/protobuf/timestamp.proto
 
 namespace Google\Protobuf;
@@ -73,7 +74,7 @@ use Google\Protobuf\Internal\GPBUtil;
  * [`strftime`](https://docs.python.org/2/library/time.html#time.strftime) with
  * the time format spec '%Y-%m-%dT%H:%M:%S.%fZ'. Likewise, in Java, one can use
  * the Joda Time's [`ISODateTimeFormat.dateTime()`](
- * http://www.joda.org/joda-time/apidocs/org/joda/time/format/ISODateTimeFormat.html#dateTime%2D%2D
+ * http://joda-time.sourceforge.net/apidocs/org/joda/time/format/ISODateTimeFormat.html#dateTime()
  * ) to obtain a formatter capable of generating timestamps in this format.
  *
  * Generated from protobuf message <code>google.protobuf.Timestamp</code>

php/src/Google/Protobuf/Type.php

@@ -1,5 +1,6 @@
 <?php
 # Generated by the protocol buffer compiler.  DO NOT EDIT!
+# NO CHECKED-IN PROTOBUF GENCODE
 # source: google/protobuf/type.proto
 
 namespace Google\Protobuf;
@@ -51,6 +52,12 @@ class Type extends \Google\Protobuf\Internal\Message
      * Generated from protobuf field <code>.google.protobuf.Syntax syntax = 6;</code>
      */
     protected $syntax = 0;
+    /**
+     * The source edition string, only valid when syntax is SYNTAX_EDITIONS.
+     *
+     * Generated from protobuf field <code>string edition = 7;</code>
+     */
+    protected $edition = '';
 
     /**
      * Constructor.
@@ -70,6 +77,8 @@ class Type extends \Google\Protobuf\Internal\Message
      *           The source context.
      *     @type int $syntax
      *           The source syntax.
+     *     @type string $edition
+     *           The source edition string, only valid when syntax is SYNTAX_EDITIONS.
      * }
      */
     public function __construct($data = NULL) {
@@ -243,5 +252,31 @@ class Type extends \Google\Protobuf\Internal\Message
         return $this;
     }
 
+    /**
+     * The source edition string, only valid when syntax is SYNTAX_EDITIONS.
+     *
+     * Generated from protobuf field <code>string edition = 7;</code>
+     * @return string
+     */
+    public function getEdition()
+    {
+        return $this->edition;
+    }
+
+    /**
+     * The source edition string, only valid when syntax is SYNTAX_EDITIONS.
+     *
+     * Generated from protobuf field <code>string edition = 7;</code>
+     * @param string $var
+     * @return $this
+     */
+    public function setEdition($var)
+    {
+        GPBUtil::checkString($var, True);
+        $this->edition = $var;
+
+        return $this;
+    }
+
 }
 

php/src/Google/Protobuf/UInt32Value.php

@@ -1,5 +1,6 @@
 <?php
 # Generated by the protocol buffer compiler.  DO NOT EDIT!
+# NO CHECKED-IN PROTOBUF GENCODE
 # source: google/protobuf/wrappers.proto
 
 namespace Google\Protobuf;

php/src/Google/Protobuf/UInt64Value.php

@@ -1,5 +1,6 @@
 <?php
 # Generated by the protocol buffer compiler.  DO NOT EDIT!
+# NO CHECKED-IN PROTOBUF GENCODE
 # source: google/protobuf/wrappers.proto
 
 namespace Google\Protobuf;

php/src/Google/Protobuf/Value.php

@@ -1,5 +1,6 @@
 <?php
 # Generated by the protocol buffer compiler.  DO NOT EDIT!
+# NO CHECKED-IN PROTOBUF GENCODE
 # source: google/protobuf/struct.proto
 
 namespace Google\Protobuf;