/// <reference types="node" />
import { ModelBase } from "./base";
import { FullMetadata } from "firebase/storage";
import { FileModelLink } from "./link";
export declare class FileModel<T> extends ModelBase {
    private instance;
    private collection;
    private data;
    private storage;
    private reference;
    private loadedData;
    private metadata;
    constructor(instance: new () => T, collection: string, fileType?: string);
    static links(): (target: any, key: string) => void;
    private confirmDataLoad;
    private from;
    private fetchAll;
    fetchContent(): Promise<void>;
    set content(data: Buffer);
    get content(): Buffer;
    link(): FileModelLink<T>;
    update(): Promise<void>;
    delete(): Promise<void>;
    store(metadata?: FullMetadata): Promise<void>;
    exists(): Promise<boolean>;
}