import { ElementRef, NgZone, Renderer2 } from "@angular/core";
export declare class TabBarDirective {
    private renderer;
    private elementRef;
    private ngZone;
    gPositionMode: string;
    constructor(renderer: Renderer2, elementRef: ElementRef, ngZone: NgZone);
    alignToElement(element: HTMLElement): void;
    setStyles(element: HTMLElement): void;
    getLeftPosition(element: HTMLElement): string;
    getElementWidth(element: HTMLElement): string;
    getTopPosition(element: HTMLElement): string;
    getElementHeight(element: HTMLElement): string;
}