end() {
        if (this.id) {
            clearInterval(this.id);
            this.id = undefined;
        }

        if (this.spinner) {
            this.spinner.stop();
            this.spinner = this.ui.spinner = null;
        }
    }
/**
     * Called once all tasks have finished or one has errored.
     * Handles cleanup
     */
Called once all tasks have finished or one has errored.
Handles cleanup
Called once all tasks have finished or one has errored . Handles cleanup
end() {
        if (this.id) {
            clearInterval(this.id);
            this.id = undefined;
        }
        if (this.spinner) {
            this.spinner.stop();
            this.spinner = this.ui.spinner = null;
        }
    }
end ( ) { if ( this . id ) { clearInterval ( this . id ) ; this . id = undefined ; } if ( this . spinner ) { this . spinner . stop ( ) ; this . spinner = this . ui . spinner = null ; } }
Called once all tasks have finished or one has errored.
Called once all tasks have finished or one has errored .