src/vs/workbench/services/configuration/electron-sandbox/configurationCache.ts/CachedConfiguration/constructor
class CachedConfiguration:	constructor(
		{ type, key }: ConfigurationKey,
		cacheHome: URI,
		private readonly fileService: IFileService
	) {
		this.cachedConfigurationFolderResource = joinPath(cacheHome, 'CachedConfigurations', type, key);
		this.cachedConfigurationFileResource = joinPath(this.cachedConfigurationFolderResource, type === 'workspaces' ? 'workspace.json' : 'configuration.json');
		this.queue = new Queue<void>();
	}