syntax = "proto3"; /// message comment message TestMessage { /// field comment string testField = 1; /// map field comment map testMap = 2; /// oneof field comment oneof testOneof { /// oneof string comment string testOneofString = 3; /// oneof bool comment bool testOneofBool = 4; } } /// service comment service TestService { /// method comment rpc testMethod(TestMessage) returns (TestMessage) {} } /// enum comment enum TestEnum { /// enum value comment VALUE = 1; }