src/google/protobuf/unittest_drop_unknown_fields.proto

// Protocol Buffers - Google's data interchange format
// Copyright 2008 Google Inc.  All rights reserved.
// https://developers.google.com/protocol-buffers/
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syntax = "proto3";

package unittest_drop_unknown_fields;

option objc_class_prefix = "DropUnknowns";
option csharp_namespace = "Google.Protobuf.TestProtos";

message Foo {
  enum NestedEnum {
    FOO = 0;
    BAR = 1;
    BAZ = 2;
  }
  int32 int32_value = 1;
  NestedEnum enum_value = 2;
}

message FooWithExtraFields {
  enum NestedEnum {
    FOO = 0;
    BAR = 1;
    BAZ = 2;
    MOO = 3;
  }
  int32 int32_value = 1;
  NestedEnum enum_value = 2;
  int32 extra_int32_value = 3;
}