Auto-generate files after cl/684137297

4 months ago · 60ca6e06d7
parent 3778c2b7cd
commit 60ca6e06d7
17 changed files with 1934 additions and 0 deletions
--- a/php/src/Google/Protobuf/Internal/Edition.php
+++ b/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);
+    }
+}
+
--- a/php/src/Google/Protobuf/Internal/ExtensionRangeOptions/Declaration.php
+++ b/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;
+    }
+
+}
+
--- a/php/src/Google/Protobuf/Internal/ExtensionRangeOptions/VerificationState.php
+++ b/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);
+    }
+}
+
--- a/php/src/Google/Protobuf/Internal/FeatureSet.php
+++ b/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;
+    }
+
+}
+
--- a/php/src/Google/Protobuf/Internal/FeatureSet/EnumType.php
+++ b/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);
+    }
+}
+
--- a/php/src/Google/Protobuf/Internal/FeatureSet/FieldPresence.php
+++ b/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);
+    }
+}
+
--- a/php/src/Google/Protobuf/Internal/FeatureSet/JsonFormat.php
+++ b/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);
+    }
+}
+
--- a/php/src/Google/Protobuf/Internal/FeatureSet/MessageEncoding.php
+++ b/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);
+    }
+}
+
--- a/php/src/Google/Protobuf/Internal/FeatureSet/RepeatedFieldEncoding.php
+++ b/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);
+    }
+}
+
--- a/php/src/Google/Protobuf/Internal/FeatureSet/Utf8Validation.php
+++ b/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);
+    }
+}
+
--- a/php/src/Google/Protobuf/Internal/FeatureSetDefaults.php
+++ b/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;
+    }
+
+}
+
--- a/php/src/Google/Protobuf/Internal/FeatureSetDefaults/FeatureSetEditionDefault.php
+++ b/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;
+    }
+
+}
+
--- a/php/src/Google/Protobuf/Internal/FieldOptions/EditionDefault.php
+++ b/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;
+    }
+
+}
+
--- a/php/src/Google/Protobuf/Internal/FieldOptions/FeatureSupport.php
+++ b/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;
+    }
+
+}
+
--- a/php/src/Google/Protobuf/Internal/FieldOptions/OptionRetention.php
+++ b/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);
+    }
+}
+
--- a/php/src/Google/Protobuf/Internal/FieldOptions/OptionTargetType.php
+++ b/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);
+    }
+}
+
--- a/php/src/Google/Protobuf/Internal/GeneratedCodeInfo/Annotation/Semantic.php
+++ b/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);
+    }
+}
+