Array of accepted encoding for content compression from the HTTP header
Body of the HTTP request
Returns the length of the content from the
Content type of the body expressed as a MIME type.
HTTP End point for this request
HTTP request headers
Returns the If-Modified-Since header as Some(Date).
True if and only if 100 continue is expected to be returned
True if and only if the contents of this HTTP request will be arriving in subsequent HTTPChunks
True if and only if is connection is to be kept alive and the channel should NOT be closed
after a response is returned.
True if and only if this is a request to upgrade to a websocket connection