/**
 * This class is necessary because some fs library methods and/or params are not available in older versions of node, such as v12
 *
 * Docs for v12: https://nodejs.org/docs/latest-v12.x/api/fs.html#fspromisesreaddirpath-options
 */
export declare class FsHelper {
    static readdirSyncRecursive(filepath: string): string[];
    static removeSyncRecursive(filepath: string): void;
}