import type { GlkTypedArray } from '../common/misc.js';
import type { FileRef as DialogFileRef } from '../common/protocol.js';
import { CachingDialogWrapper } from '../dialog/common/cache.js';
import type { GlkFref } from './interface.js';
export declare class FileRef implements GlkFref {
    binary: boolean;
    private Dialog;
    disprock?: number;
    filename: string;
    next: FileRef | null;
    prev: FileRef | null;
    private dfref;
    rock: number;
    constructor(Dialog: CachingDialogWrapper, filename: string, dialog_fref: DialogFileRef, rock: number, usage: number);
    delete_file(): void;
    exists(): boolean;
    read(): Uint8Array | null;
    write(buf: GlkTypedArray): void;
}