splitContextFromPrefix = prefix => {
	const idx = prefix.lastIndexOf("/");
	let context = ".";
	if (idx >= 0) {
		context = prefix.slice(0, idx);
		prefix = `.${prefix.slice(idx)}`;
	}
	return {
		context,
		prefix
	};
}
@param {string} prefix prefix
@returns {{prefix: string, context: string}} result