syntax = "proto3"; package error; message OtherError { string error_message = 1; } message InvalidMethodIndex { string service_name = 1; uint32 method_index = 2; } message InvalidService { string service_name = 1; } message ProstDecodeError {} message ProstEncodeError {} message ExecuteError { string error_message = 1; } message MalformatRpcPacket { string error_message = 1; } message Timeout { string error_message = 1; } message Error { oneof error_kind { OtherError other_error = 1; InvalidMethodIndex invalid_method_index = 2; InvalidService invalid_service = 3; ProstDecodeError prost_decode_error = 4; ProstEncodeError prost_encode_error = 5; ExecuteError execute_error = 6; MalformatRpcPacket malformat_rpc_packet = 7; Timeout timeout = 8; } }