src/vs/workbench/contrib/tasks/browser/abstractTaskService.ts/AbstractTaskService/showIgnoredFoldersMessage
class AbstractTaskService:	private showIgnoredFoldersMessage(): Promise<void> {
		if (this.ignoredWorkspaceFolders.length === 0 || !this.showIgnoreMessage) {
			return Promise.resolve(undefined);
		}

		this.notificationService.prompt(
			Severity.Info,
			nls.localize('TaskService.ignoredFolder', 'The following workspace folders are ignored since they use task version 0.1.0: {0}', this.ignoredWorkspaceFolders.map(f => f.name).join(', ')),
			[{
				label: nls.localize('TaskService.notAgain', "Don't Show Again"),
				isSecondary: true,
				run: () => {
					this.storageService.store(AbstractTaskService.IgnoreTask010DonotShowAgain_key, true, StorageScope.WORKSPACE, StorageTarget.USER);
					this._showIgnoreMessage = false;
				}
			}]
		);

		return Promise.resolve(undefined);
	}