src/vs/platform/userDataSync/common/abstractSynchronizer.ts/AbstractInitializer/constructor
class AbstractInitializer:	constructor(
		readonly resource: SyncResource,
		@IEnvironmentService protected readonly environmentService: IEnvironmentService,
		@IUserDataSyncLogService protected readonly logService: IUserDataSyncLogService,
		@IFileService protected readonly fileService: IFileService,
	) {
		this.extUri = this.fileService.hasCapability(environmentService.userDataSyncHome, FileSystemProviderCapabilities.PathCaseSensitive) ? extUri : extUriIgnorePathCase;
		this.lastSyncResource = getLastSyncResourceUri(this.resource, environmentService, extUri);
	}