src/vs/platform/userDataSync/common/userDataSyncBackupStoreService.ts/UserDataSyncBackupStoreService/constructor
class UserDataSyncBackupStoreService:	constructor(
		@IEnvironmentService private readonly environmentService: IEnvironmentService,
		@IFileService private readonly fileService: IFileService,
		@IConfigurationService private readonly configurationService: IConfigurationService,
		@IUserDataSyncLogService private readonly logService: IUserDataSyncLogService,
		@IUserDataProfilesService private readonly userDataProfilesService: IUserDataProfilesService,
	) {
		super();
		for (const profile of this.userDataProfilesService.profiles) {
			for (const resource of ALL_SYNC_RESOURCES) {
				this.cleanUpBackup(this.getResourceBackupHome(profile, resource));
			}
		}
	}