kubernetes/vendor/golang.org/x/oauth2/transport.go

type Transport …

// RoundTrip authorizes and authenticates the request with an
// access token from Transport's Source.
func (t *Transport) RoundTrip(req *http.Request) (*http.Response, error) { … }

var cancelOnce …

// CancelRequest does nothing. It used to be a legacy cancellation mechanism
// but now only it only logs on first use to warn that it's deprecated.
//
// Deprecated: use contexts for cancellation instead.
func (t *Transport) CancelRequest(req *http.Request) { … }

func (t *Transport) base() http.RoundTripper { … }

// cloneRequest returns a clone of the provided *http.Request.
// The clone is a shallow copy of the struct and its Header map.
func cloneRequest(r *http.Request) *http.Request { … }