Method finally

Extension/src/Utility/Async/signal.ts:47–49

* Attaches a callback that is invoked when the Promise is settled (fulfilled or rejected). The * resolved value cannot be modified from the callback. * @param onfinally The callback to execute when the Promise is settled (fulfilled or rejected). * @returns A Promise for the completion

(onfinally?: (() => void) | null | undefined)

     * @returns A Promise for the completion of the callback.
     */
    finally(onfinally?: (() => void) | null | undefined): Promise<T> {
        return this.promise.finally(onfinally);
    }

    get isPending(): boolean {
        return this.promise.isPending;