src/vs/workbench/services/extensionManagement/browser/webExtensionsScannerService.ts/WebExtensionsScannerService/readCustomBuiltinExtensionsCache
class WebExtensionsScannerService:	private readCustomBuiltinExtensionsCache(): Promise<IWebExtension[]> {
		return this.withWebExtensions(this.customBuiltinExtensionsCacheResource);
	}