syntax = "proto2"; package MMPro.micromsg; message YYBStruct { optional uint32 _AndroidDownloadFlag = 1; optional string _DownloadUrl = 2; optional string _ApkMd5 = 3; optional string _PreemptiveUrl = 4; optional string _ExtInfo = 5; optional string _DownloadTipsWording = 6; optional int32 _SupportedVersionCode = 7; }