src/vs/workbench/services/extensions/electron-sandbox/cachedExtensionScanner.ts/CachedExtensionScanner/startScanningExtensions
class CachedExtensionScanner:	public async startScanningExtensions(): Promise<void> {
		try {
			const extensions = await this._scanInstalledExtensions();
			this._scannedExtensionsResolve(extensions);
		} catch (err) {
			this._scannedExtensionsReject(err);
		}
	}