public static URL getMinimalURL(URL url) {
		try {
			return new URL(url, "/");
		}
		catch (MalformedURLException e) {
			// ignore
		}
		return null;
	}
Produce minimal URL (i.e., protocol, host and port)
@param url request URL
@return minimal URL
Ghidra/Framework/FileSystem/src/main/java/ghidra/framework/client/DefaultClientAuthenticator.java