DeleteHopHeaders deletes the given headers from the given request.

NewFlusher returns a new flusher that wraps the given http.ResponseWriter.

Respond responds to the given request using the given response and the http.ResponseWriter.

UpgradeType returns the upgrade type (if any) for the given headers.

Flusher is a wrapper around an io.Writer that also implements the http.Flusher interface (encapsulated by the f interface) and its Write method calls the underlying Flush method after every write.