import { AfterViewInit, QueryList, Renderer2, ElementRef } from '@angular/core';
import { UBXTrackComponent } from '../../grid/track/track.component';
import { UBXButtonComponent } from '../button.component';
export declare class UBXButtonGroupComponent implements AfterViewInit {
    private renderer;
    el: ElementRef;
    columns: string;
    gap: number;
    xGap: string;
    yGap: string;
    jc: string;
    ji: string;
    ac: string;
    ai: string;
    buttons: QueryList<UBXButtonComponent>;
    tracks: QueryList<UBXTrackComponent>;
    constructor(renderer: Renderer2, el: ElementRef);
    ngAfterViewInit(): void;
    private appendChildParent;
    setColumns(columns: string): string;
}