syntax = "proto2"; message LogRequest { optional ClientInfo client_info = 1; optional int32 log_source = 2; optional int64 request_time_ms = 4; repeated LogEvent log_event = 3; } message ClientInfo { optional int32 client_type = 1; } message LogResponse { optional int64 next_request_wait_millis = 1; } message LogEvent { optional int64 event_time_ms = 1; optional bytes source_extension = 6; }