1Recommended.Proto3.ProtobufInput.GroupUnknownFields_Drop.TextFormatOutput 2Recommended.Proto3.ProtobufInput.GroupUnknownFields_Print.TextFormatOutput 3Recommended.Proto3.ProtobufInput.MessageUnknownFields_Drop.TextFormatOutput 4Recommended.Proto3.ProtobufInput.MessageUnknownFields_Print.TextFormatOutput 5Recommended.Proto3.ProtobufInput.RepeatedUnknownFields_Drop.TextFormatOutput 6Recommended.Proto3.ProtobufInput.RepeatedUnknownFields_Print.TextFormatOutput 7Recommended.Proto3.ProtobufInput.ScalarUnknownFields_Drop.TextFormatOutput 8Recommended.Proto3.ProtobufInput.ScalarUnknownFields_Print.TextFormatOutput 9