export declare class Item {
    private readonly id;
    private readonly name;
    private readonly type;
    private readonly data;
    private parent;
    private readonly eventEmitter;
    constructor(id: string, name: string, type: string, data?: {});
    getId(): string;
    getName(): string;
    getType(): string;
    setParent(parent: Folder): Item;
    getParent(): Folder;
    getDepth(): number;
    getData(): any;
    getParentById(id: string): Item;
    on(name: any, fn: any, invoke?: any, scope?: any): void;
    trigger(name: any, ...args: any[]): void;
}
export declare class File extends Item {
    constructor(id: string, name: string, type?: string, data?: {});
    moveTo(folder: Folder): File;
}
export declare class Folder extends Item {
    private pool;
    private folders;
    private files;
    private lazy;
    private limit;
    private readonly status;
    constructor(id: string, name: string, data?: {});
    setPool(pool: Record<string, Folder | File>): Folder;
    setFolders(folders: Folder[]): Folder;
    setFiles(files: File[]): Folder;
    setLazy(lazy?: boolean): Folder;
    isLazy(): boolean;
    getFolderById(id: string): Folder;
    getFileById(id: string): File;
    getFolders(): Folder[];
    getFiles(): File[];
    createFolder(name: string): Folder;
    createFile(name: string, type?: any): File;
    addFolder(idOrFolder: string | Folder, name?: string, data?: {}): Folder;
    addFile(idOrFile: string | File, name?: string, type?: string, data?: {}): File;
    removeFile(file: File): File;
    removeFolder(folder: Folder): Folder;
    hasFiles(): boolean;
    hasFolders(): boolean;
    isEmpty(): boolean;
    hasFileLeaf(): boolean;
    isOpen(): boolean;
    toggleOpen(open?: boolean): Folder;
    toggleEdit(edit?: boolean): Folder;
    toggleHasFileLeaf(hasFileLeaf: boolean): Folder;
    moveTo(folder: Folder): Folder;
    getLength(res?: number): number;
    setLimit(limit: number): void;
    getLimit(): number;
    destroy(): void;
    $clone(): Folder;
}