import { ElementRef, OnInit, Renderer2 } from '@angular/core';
import { TlDatatableColumn } from '../parts/column/datatable-column';
import * as i0 from "@angular/core";
export declare class TlColgroupDirective implements OnInit {
    private element;
    private renderer;
    colgroup: Array<TlDatatableColumn>;
    private colGroupElement;
    constructor(element: ElementRef, renderer: Renderer2);
    ngOnInit(): void;
    createElementColGroup(): void;
    createElementsColForColGroup(): Promise<void>;
    static ɵfac: i0.ɵɵFactoryDeclaration<TlColgroupDirective, never>;
    static ɵdir: i0.ɵɵDirectiveDeclaration<TlColgroupDirective, "[colgroup]", never, { "colgroup": "colgroup"; }, {}, never, never, false, never>;
}
//# sourceMappingURL=colgroup.directive.d.ts.map