import { DebugElement } from '@angular/core';
import { ComponentFixture } from '@angular/core/testing';
import { SkyAppTestUtilityDomEventOptions } from './test-utility-dom-event-options';
export declare class SkyAppTestUtility {
    static fireDomEvent(element: EventTarget | null | undefined, eventName: string, options?: SkyAppTestUtilityDomEventOptions): void;
    /**
     * Returns the inner text content of an element.
     */
    static getText(element: any): string | undefined;
    /**
     * Returns true if the element exists on the page.
     */
    static isVisible(element: any): boolean | undefined;
    /**
     * Sets the value of an input element and triggers its 'input' and 'change' events.
     */
    static setInputValue(element: any, value: string): void;
    /**
     * Returns the URL of an element's background image, if it exists.
     */
    static getBackgroundImageUrl(el: any): string | undefined;
    /**
     * Returns a DebugElement representing a SKY UX component.
     * @internal
     * @param fixture The ComponentFixture where the SKY UX component resides.
     * @param skyTestId The value of the `data-sky-id` property specified on the SKY UX component.
     * @param componentSelector The selector name for the SKY UX component (e.g. 'sky-alert').
     */
    static getDebugElementByTestId(fixture: ComponentFixture<any>, skyTestId: string, componentSelector: string): DebugElement;
}