src/vs/server/node/serverServices.ts/getUriTransformer
function getUriTransformer(remoteAuthority: string): IURITransformer {
	if (!_uriTransformerCache[remoteAuthority]) {
		_uriTransformerCache[remoteAuthority] = createURITransformer(remoteAuthority);
	}
	return _uriTransformerCache[remoteAuthority];
}