ErrNotMultipart = &ProtocolError{"request Content-Type isn't multipart/form-data"}

	// Deprecated: ErrHeaderTooLong is no longer returned by
	// anything in the net/http package. Callers should not
	// compare errors against this variable.
	ErrHeaderTooLong = &ProtocolError{"header too long"}

	// Deprecated: ErrShortBody is no longer returned by
	// anything in the net/http package. Callers should not