src/vs/workbench/services/userDataSync/browser/userDataSyncWorkbenchService.ts/UserDataSyncWorkbenchService/synchroniseUserDataSyncStoreType
class UserDataSyncWorkbenchService:	async synchroniseUserDataSyncStoreType(): Promise<void> {
		if (!this.userDataSyncAccountService.account) {
			throw new Error('Cannot update because you are signed out from settings sync. Please sign in and try again.');
		}
		if (!isWeb || !this.userDataSyncStoreManagementService.userDataSyncStore) {
			// Not supported
			return;
		}

		const userDataSyncStoreUrl = this.userDataSyncStoreManagementService.userDataSyncStore.type === 'insiders' ? this.userDataSyncStoreManagementService.userDataSyncStore.stableUrl : this.userDataSyncStoreManagementService.userDataSyncStore.insidersUrl;
		const userDataSyncStoreClient = this.instantiationService.createInstance(UserDataSyncStoreClient, userDataSyncStoreUrl);
		userDataSyncStoreClient.setAuthToken(this.userDataSyncAccountService.account.token, this.userDataSyncAccountService.account.authenticationProviderId);
		await this.instantiationService.createInstance(UserDataSyncStoreTypeSynchronizer, userDataSyncStoreClient).sync(this.userDataSyncStoreManagementService.userDataSyncStore.type);
	}