syntax = "proto3"; message CreateDocParams { string id = 1; bytes data = 2; } message Doc { string id = 1; bytes data = 2; int64 revision = 3; } message UpdateDocParams { string doc_id = 1; bytes data = 2; } message DocDelta { string doc_id = 1; bytes data = 2; } message QueryDocParams { string doc_id = 1; }