import * as i0 from "@angular/core";
export declare class UploadFileService {
    #private;
    constructor();
    isHashedKey: (key: string) => boolean;
    get: (key: string) => File | null;
    add: (file: File) => string | null;
    remove: (fileOrKey: File | string) => void;
    static ɵfac: i0.ɵɵFactoryDeclaration<UploadFileService, never>;
    static ɵprov: i0.ɵɵInjectableDeclaration<UploadFileService>;
}
