Parser for incoming form bodies. The parser handles application/x-www-form-urlencoded and multipart/form-data encoded data. Any uploaded files are stored locally and a descriptor object is passed as the parsed result.
Retrieves the raw payload data as a string
Attempts to parse the request body as multi-part or form/url encoded content
incoming request whose payload should be parsed
callback that taks two parameters: An Error, if occurred and the parsed body content as an object