# Functions
NewHeaderRequestModifier returns a new RequestModifier which will add the given headers to a request.
NewHTTPReadSeeker handles reading from an HTTP endpoint using a GET request.
NewTransport creates a new transport which will apply modifiers to the request on a RoundTrip call.
# Variables
ErrWrongCodeForByteRange is returned if the client sends a request with a Range header but the server returns a 2xx or 3xx code other than 206 Partial Content.
# Interfaces
ReadSeekCloser combines io.ReadSeeker with io.Closer.
RequestModifier represents an object which will do an inplace modification of an HTTP request.