|  | syntax = "proto3"; | 
|  |  | 
|  | package a.b.c; | 
|  |  | 
|  | message TestMessage { | 
|  | int32 optional_int32 = 1; | 
|  | int64 optional_int64 = 2; | 
|  | uint32 optional_uint32 = 3; | 
|  | uint64 optional_uint64 = 4; | 
|  | bool optional_bool = 5; | 
|  | double optional_double = 6; | 
|  | float optional_float = 7; | 
|  | string optional_string = 8; | 
|  | bytes optional_bytes = 9; | 
|  | TestEnum optional_enum = 10; | 
|  | TestMessage optional_msg = 11; | 
|  |  | 
|  | repeated int32 repeated_int32 = 21; | 
|  | repeated int64 repeated_int64 = 22; | 
|  | repeated uint32 repeated_uint32 = 23; | 
|  | repeated uint64 repeated_uint64 = 24; | 
|  | repeated bool repeated_bool = 25; | 
|  | repeated double repeated_double = 26; | 
|  | repeated float repeated_float = 27; | 
|  | repeated string repeated_string = 28; | 
|  | repeated bytes repeated_bytes = 29; | 
|  | repeated TestEnum repeated_enum = 30; | 
|  | repeated TestMessage repeated_msg = 31; | 
|  |  | 
|  | oneof my_oneof { | 
|  | int32 oneof_int32 = 41; | 
|  | int64 oneof_int64 = 42; | 
|  | uint32 oneof_uint32 = 43; | 
|  | uint64 oneof_uint64 = 44; | 
|  | bool oneof_bool = 45; | 
|  | double oneof_double = 46; | 
|  | float oneof_float = 47; | 
|  | string oneof_string = 48; | 
|  | bytes oneof_bytes = 49; | 
|  | TestEnum oneof_enum = 50; | 
|  | TestMessage oneof_msg = 51; | 
|  | } | 
|  |  | 
|  | map<int32, string> map_int32_string = 61; | 
|  | map<int64, string> map_int64_string = 62; | 
|  | map<uint32, string> map_uint32_string = 63; | 
|  | map<uint64, string> map_uint64_string = 64; | 
|  | map<bool, string> map_bool_string = 65; | 
|  | map<string, string> map_string_string = 66; | 
|  | map<string, TestMessage> map_string_msg = 67; | 
|  | map<string, TestEnum> map_string_enum = 68; | 
|  | map<string, int32> map_string_int32 = 69; | 
|  | map<string, bool> map_string_bool = 70; | 
|  |  | 
|  | message NestedMessage { | 
|  | int32 foo = 1; | 
|  | } | 
|  |  | 
|  | NestedMessage nested_message = 80; | 
|  |  | 
|  | // Reserved for non-existing field test. | 
|  | // int32 non_exist = 89; | 
|  | } | 
|  |  | 
|  | enum TestEnum { | 
|  | Default = 0; | 
|  | A = 1; | 
|  | B = 2; | 
|  | C = 3; | 
|  |  | 
|  | v0 = 4; | 
|  | } | 
|  |  | 
|  | message testLowercaseNested { | 
|  | message lowercase{} | 
|  | } | 
|  |  | 
|  |  | 
|  | message TestUnknown { | 
|  | TestUnknown optional_unknown = 11; | 
|  | repeated TestUnknown repeated_unknown = 31; | 
|  | oneof my_oneof { | 
|  | TestUnknown oneof_unknown = 51; | 
|  | } | 
|  | map<string, TestUnknown> map_unknown = 67; | 
|  | int32 unknown_field = 89; | 
|  | } | 
|  |  | 
|  | message TestJsonName { | 
|  | int32 value = 1 [json_name = "CustomJsonName"]; | 
|  | } |