}

        public String getDescription() {
            return description;
        }

        public void setTimeout(long timeout) {
            this.timeout = timeout;
        }

        public long getTimeout() {
            return timeout;
        }

        public void setItems(List<String> items) {
            this.items = items;
        }

        }
    }

    /**
     * Helper function for animation delays, called with `await`.
     * @param {number} time - Timeout, in ms.
     */
    _wait(time) {
        return new Promise(resolve => setTimeout(resolve, time));
    }

    /**
     * Converts line data objects into line elements.
     *
     * @param {Object[]} lineData - Dynamically loaded lines.
     * @param {Object} line - Line data object.

					"runtime.scheduleTimeoutEvent": (sp) => {
						sp >>>= 0;
						const id = this._nextCallbackTimeoutID;
						this._nextCallbackTimeoutID++;
						this._scheduledTimeouts.set(id, setTimeout(
							() => {
								this._resume();
								while (this._scheduledTimeouts.has(id)) {
									// for some reason Go failed to register the timeout event, log and try again