import { ObjectHelper } from './object.helper';
import * as i0 from "@angular/core";
export declare class ArrayHelper {
    private objectHelper;
    constructor(objectHelper: ObjectHelper);
    sortByField(arr: any[], args: [string, 'asc' | 'desc']): any[];
    groupByField(arr: any[], path: string): any[];
    static ɵfac: i0.ɵɵFactoryDeclaration<ArrayHelper, never>;
    static ɵprov: i0.ɵɵInjectableDeclaration<ArrayHelper>;
}