syntax = "proto2"; package unixfs.pb; message Data { enum DataType { Raw = 0; Directory = 1; File = 2; Metadata = 3; Symlink = 4; HAMTShard = 5; } required DataType Type = 1; optional bytes Data = 2; optional uint64 filesize = 3; repeated uint64 blocksizes = 4; optional uint64 hashType = 5; optional uint64 fanout = 6; } message Metadata { optional string MimeType = 1; }