export type FileInFolder = {
    filename: string;
    path: string;
};
type FileCallback = (file: FileInFolder) => void;
export declare class FSHelpers {
    static exists(path: string): Promise<boolean>;
    static rmDir(folder: string): Promise<void>;
    /**
     * Unlinks a file, but does not throw if unlinking fails.
     * Supports passing an undefined value to reduce caller boilerplate
     * when called with optional arguments.
     * @param path
     */
    static safeUnlinkFile(path: string): Promise<void>;
    /**
     * Recursively parse all sub-folders in a given folder, calling the given callback for any files
     * @param rootPath Folder to parse
     * @param callback Callback to call for each file
     */
    static readAllFiles(rootPath: string, callback: FileCallback): void;
}
export {};