Logger       func(error)
	ErrorHandler func(http.ResponseWriter, *http.Request, error)

	// internal variables
	rewriter *headerRewriter
}

// NewForwarder creates an instance of Forwarder based on the provided list of configuration options
func NewForwarder(f *Forwarder) *Forwarder {
	f.rewriter = &headerRewriter{}
	if f.RoundTripper == nil {
		f.RoundTripper = http.DefaultTransport
	}

	return f
}

	globalRemoteTargetTransport = NewRemoteTargetHTTPTransport(false)()
	globalProxyEndpoints = GetProxyEndpoints(globalEndpoints, globalRemoteTargetTransport)

	globalForwarder = handlers.NewForwarder(&handlers.Forwarder{
		PassHost:     true,
		RoundTripper: globalRemoteTargetTransport,
		Logger: func(err error) {
			if err != nil && !errors.Is(err, context.Canceled) {
				proxyLogIf(GlobalContext, err)
			}