export = LocalFolderTemplateSource; declare class LocalFolderTemplateSource extends TemplateSource { /** * Checks if the sourceKey is valid for this TemplateSource * * @param {string} sourceKey - The source key to be validated. * @returns {boolean} Returns true if the key is valid */ static isValidSourceKey(sourceKey: string): boolean; } import TemplateSource = require("../template-source");