Method has

lib/util/runtime.js:715–717

* Returns true, when the runtime exists. * @param {RuntimeSpec} runtime runtime * @returns {boolean} true, when the runtime exists

(runtime)

	 * @returns {boolean} true, when the runtime exists
	 */
	has(runtime) {
		return this._map.has(getRuntimeKey(runtime));
	}

	/**
	 * Returns iterable iterator.