Protocol Buffers - Google's data interchange format (grpc依赖) https://developers.google.com/protocol-buffers/
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// Protocol Buffers - Google's data interchange format
// Copyright 2023 Google Inc. All rights reserved.
//
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file or at
// https://developers.google.com/open-source/licenses/bsd
syntax = "proto3";
package protobuf_editions_test.proto3;
message Proto3Optional {
optional int32 int32_field = 17;
optional float float_field = 18;
optional double double_field = 19;
optional int64 int64_field = 20;
optional uint32 uint32_field = 21;
optional uint64 uint64_field = 22;
optional sint32 sint32_field = 23;
optional sint64 sint64_field = 24;
optional fixed32 fixed32_field = 25;
optional fixed64 fixed64_field = 26;
optional sfixed32 sfixed32_field = 27;
optional sfixed64 sfixed64_field = 28;
optional bool bool_field = 29;
optional string string_field = 30;
optional bytes bytes_field = 31;
message SubMessage {
optional int32 int32_field = 17;
optional float float_field = 18;
optional double double_field = 19;
optional int64 int64_field = 20;
optional uint32 uint32_field = 21;
optional uint64 uint64_field = 22;
optional sint32 sint32_field = 23;
optional sint64 sint64_field = 24;
optional fixed32 fixed32_field = 25;
optional fixed64 fixed64_field = 26;
optional sfixed32 sfixed32_field = 27;
optional sfixed64 sfixed64_field = 28;
optional bool bool_field = 29;
optional string string_field = 30;
optional bytes bytes_field = 31;
}
optional SubMessage optional_message = 2;
}