export default class FileHelpers {
    /**
       * Gets the most relevant application directory.  This is defined by taking
       * the currently executing file folder, and checking or moving up until the
       * directory is no longer inside a node_modules folder.
       * @param {String} path (Optional) If provided, attempts to lookup from the
       * from directory.
       * @return {String} The most relevant application directory.
       */
    static getApplicationDirectory(path?: string): string;
    /**
       * Heuristic for guessing main directory.  This includes resolving the
       * following use cases:
       *   1) ./node_modules/.bin scripts
       *   2) ./node_modules/PACKAGE_NAME/file scripts
       *   3) ./SUBDIR/file calls
       *
       * The first non-node_modules folder with a package.json in it is used.
       */
    static getMainDirectory(): string | boolean;
    /**
       * Gets the directory of a package.
       * @param {String} path The path from which to look for the package directory.
       * @returns {String} The directory containing the package.json file.
       */
    static getPackageDirectory(path?: string): string | boolean;
    /**
       * Gets the package.json given a file path.  If not found in the filepath
       * directory, moves up a directory.
       * @param {String} file The file path to search from.
       * @return {Boolean|String} False if no file is found.
       */
    static getPackageFile(path?: string): string | boolean;
    /**
       * Normalize a pathname.
       */
    static normalize(path: string): string;
}