constructor(withCreateScriptUrl, withFetchPriority) {
		super("load script");
		this._withCreateScriptUrl = withCreateScriptUrl;
		this._withFetchPriority = withFetchPriority;
	}
@param {boolean=} withCreateScriptUrl use create script url for trusted types
@param {boolean=} withFetchPriority use `fetchPriority` attribute