InitFrontend initializes V1 frontend Returned RoundTripper can be wrapped in more round-tripper middlewares, and then eventually registered into HTTP server using the Handler from this package.

MergeMiddlewares takes a set of ordered middlewares and merges them into a pipeline.

New returns a new QueryFrontend.

NewRoundTripper takes an ordered set of middlewares and builds a http.RoundTripper around them.

nil response in ServeHTTP.

StatusClientClosedRequest is the status code for when a client request cancellation of an http request.

Middleware is used to build pipelines of http.Roundtrippers.

MiddlewareFunc is like http.HandlerFunc, but for Middleware.

RoundTripperFunc is like http.HandlerFunc, but for RoundTripper chosen for pipeline building over queryrange.Handler b/c of how similar queryrange.Handler is to this existing interface.