The sInt32 need to encode
A byte array represent the integer
[encode an uInt32, return a array of bytes]
[parse the original protos, give the paresed result can be used by protobuf encode/decode.]
Original protos, in a js map.
The presed result, a js object represent all the meta data of the given protos.
[parse a single protos, return a object represent the result. The method can be invocked recursively.]
The origin proto need to parse.
The parsed result, a js object.
[encode a sInt32, return a byte array]