src/vs/workbench/services/extensionManagement/browser/webExtensionsScannerService.ts/WebExtensionsScannerService/scanExtensionManifest
class WebExtensionsScannerService:	async scanExtensionManifest(extensionLocation: URI): Promise<IExtensionManifest | null> {
		try {
			return await this.getExtensionManifest(extensionLocation);
		} catch (error) {
			this.logService.warn(`Error while fetching manifest from ${extensionLocation.toString()}`, getErrorMessage(error));
			return null;
		}
	}