src/vs/workbench/services/userDataSync/browser/userDataSyncWorkbenchService.ts/UserDataSyncPreview/accept
class UserDataSyncPreview:	async accept(syncResource: SyncResource, resource: URI, content?: string | null): Promise<void> {
		if (this.manualSync) {
			const syncPreview = await this.manualSync.task.accept(resource, content);
			this.updatePreview(syncPreview);
		} else {
			await this.userDataSyncService.accept(syncResource, resource, content, false);
		}
	}