src/vs/workbench/services/userDataSync/browser/userDataSyncWorkbenchService.ts/UserDataSyncWorkbenchService/turnoff
class UserDataSyncWorkbenchService:	async turnoff(everywhere: boolean): Promise<void> {
		if (this.userDataSyncEnablementService.isEnabled()) {
			return this.userDataAutoSyncService.turnOff(everywhere);
		}
		if (this.turnOnSyncCancellationToken) {
			return this.turnOnSyncCancellationToken.cancel();
		}
	}