import { type JSONNode } from '@redneckz/json-op';
import type { FileAPI, FilePath, ListFilesOptions } from './FileAPI';
export declare class FileSystemAPI implements FileAPI {
    private readonly basePath?;
    static readonly inst: FileAPI;
    constructor(basePath?: string | undefined);
    listFiles({ dir, ext, size }: ListFilesOptions): Promise<FilePath[]>;
    downloadFiles(options: ListFilesOptions): Promise<[FilePath, JSONNode][]>;
    countFiles(options: ListFilesOptions): Promise<number>;
    readJSON<T extends JSONNode = JSONNode>(filePath: FilePath): Promise<T>;
}