src/vs/workbench/services/extensions/node/extensionPoints.ts/ExtensionScanner/scanSingleExtension
class ExtensionScanner:	public static scanSingleExtension(input: ExtensionScannerInput, log: ILog): Promise<IExtensionDescription | null> {
		const absoluteFolderPath = input.absoluteFolderPath;
		const isBuiltin = input.isBuiltin;
		const isUnderDevelopment = input.isUnderDevelopment;
		const nlsConfig = ExtensionScannerInput.createNLSConfig(input);
		return this.scanExtension(input.ourVersion, input.ourProductDate, log, absoluteFolderPath, isBuiltin, isUnderDevelopment, nlsConfig);
	}