kubernetes/staging/src/k8s.io/apiserver/pkg/endpoints/discovery/aggregated/wrapper.go

type WrappedHandler …

func (wrapped *WrappedHandler) ServeHTTP(resp http.ResponseWriter, req *http.Request) { … }

func (wrapped *WrappedHandler) restfulHandle(req *restful.Request, resp *restful.Response) { … }

func (wrapped *WrappedHandler) GenerateWebService(prefix string, returnType interface{ … }

// WrapAggregatedDiscoveryToHandler wraps a handler with an option to
// emit the aggregated discovery by passing in the aggregated
// discovery type in content negotiation headers: eg: (Accept:
// application/json;v=v2;g=apidiscovery.k8s.io;as=APIGroupDiscoveryList)
func WrapAggregatedDiscoveryToHandler(handler http.Handler, aggHandler http.Handler) *WrappedHandler { … }