import { ElementRef, EventEmitter, OnInit, Renderer2 } from '@angular/core';
import { DataTableComponent } from '../components/data-table/data-table.component';
export declare class DtSortableDirective implements OnInit {
    private el;
    private renderer;
    private table;
    dtSortable: string;
    sortableClick: EventEmitter<{
        property: string;
        isDesc: boolean;
    }>;
    checked: boolean;
    isDesc: boolean;
    constructor(el: ElementRef, renderer: Renderer2, table: DataTableComponent);
    get isChecked(): boolean;
    ngOnInit(): void;
    onClick(): void;
    set(): void;
    unset(): void;
    toggle(): void;
}