src/vs/workbench/services/extensionResourceLoader/common/extensionResourceLoader.ts/AbstractExtensionResourceLoaderService/_getServiceMachineId
class AbstractExtensionResourceLoaderService:	private _getServiceMachineId(): Promise<string> {
		if (!this._serviceMachineIdPromise) {
			this._serviceMachineIdPromise = getServiceMachineId(this._environmentService, this._fileService, this._storageService);
		}
		return this._serviceMachineIdPromise;
	}