src/vs/workbench/contrib/userDataSync/browser/userDataSync.ts/UserDataSyncWorkbenchContribution/registerTurningOnSyncAction
class UserDataSyncWorkbenchContribution:	private registerTurningOnSyncAction(): void {
		const when = ContextKeyExpr.and(CONTEXT_SYNC_STATE.notEqualsTo(SyncStatus.Uninitialized), CONTEXT_SYNC_ENABLEMENT.toNegated(), CONTEXT_ACCOUNT_STATE.notEqualsTo(AccountStatus.Uninitialized), CONTEXT_TURNING_ON_STATE);
		this._register(registerAction2(class TurningOnSyncAction extends Action2 {
			constructor() {
				super({
					id: 'workbench.userData.actions.turningOn',
					title: localize('turnin on sync', "Turning on Settings Sync..."),
					precondition: ContextKeyExpr.false(),
					menu: [{
						group: '5_sync',
						id: MenuId.GlobalActivity,
						when,
						order: 2
					}, {
						group: '1_sync',
						id: MenuId.AccountsContext,
						when,
					}]
				});
			}
			async run(): Promise<any> { }
		}));
	}