
            This option controls whether or not the parser expects to see an HTTP
            body, regardless of the presence or absence of certain fields such as
            Content-Length or a chunked Transfer-Encoding. Depending on the request,
            some responses do not carry a body. For example, a 200 response to a
            CONNECT request from a tunneling proxy, or a response to a HEAD request.
            In these cases, callers may use this function inform the parser that
            no 