import { ElementRef, EventEmitter, AfterViewInit } from '@angular/core';
import * as i0 from "@angular/core";
export declare class ZekSort implements AfterViewInit {
    private el;
    private innerHtml;
    /**
     * name of sorting column
     */
    header: string | null;
    /**
     * Executes after 'sort' input changed
     */
    sortChange: EventEmitter<string | null>;
    /**
     * Executes after 'asc' input changed
     */
    ascChange: EventEmitter<boolean>;
    /**
     *  Executes after click on column
     */
    onChange: EventEmitter<any>;
    constructor(el: ElementRef);
    ngAfterViewInit(): void;
    initIcon(): void;
    onClick(): void;
    private _sort;
    get sort(): string | null;
    set sort(value: string | null);
    private _asc;
    get asc(): boolean;
    set asc(value: boolean);
    static ɵfac: i0.ɵɵFactoryDeclaration<ZekSort, never>;
    static ɵdir: i0.ɵɵDirectiveDeclaration<ZekSort, "[zek-sort]", never, { "header": { "alias": "header"; "required": false; }; "sort": { "alias": "sort"; "required": false; }; "asc": { "alias": "asc"; "required": false; }; }, { "sortChange": "sortChange"; "ascChange": "ascChange"; "onChange": "onChange"; }, never, never, true, never>;
}