errors

var (
	ErrNon2xxStatusCode             = errors.New("non-2xx status code")
	ErrReattemptFailedError         = errors.New("reattempt failed")
	ErrBadIfModifiedSinceTimestamp  = errors.New("bad If-Modified-Since timestamp")
	ErrMissingHeader                = errors.New("missing header")
	ErrMultipleHeaderValues         = errors.New("multiple header values")
	ErrMissingQueryParameter        = errors.New("missing query parameter")
	ErrMultipleQueryParameterValues = errors.New("multiple query parameter values")
)