import { ElementRef } from '@angular/core';
export declare class TabHead {
    private el;
    id: string;
    cssClass: string;
    visible: boolean;
    private contents;
    private isActive;
    private tap_observer;
    private tap_obs;
    constructor(el: ElementRef);
    readonly activeTab: boolean;
    active(): void;
    inactive(): void;
    show(): void;
    hide(): boolean;
    nativeElement(): any;
    tapped(): void;
    listen(): any;
}