import { Assoc } from './Assoc.js';
export declare class AssocExt extends Assoc {
    _map(callback: (entry: [key: string, value: any]) => any): Assoc;
    _remap(callback: (item: any) => any): Assoc;
    _reduce(callback: (previous: any, item: any) => any, initial: any): any;
    _forEach(callback: (item: any) => any): void;
}