import { ElementRef } from '@angular/core';
export declare function query<T extends Element>(selector: string, parent?: T | Document): T;
export declare function queryAll(selector: string, parent?: Document): NodeListOf<Element>;
export declare function setStyle(element: any, prop: string, value: string | number): void;
export declare function setAttr(element: Element, attr: string, value: string): void;
export declare function getAttr(element: Element, attr: string): string;
export declare function setStyles(element: any, map: object): void;
export declare function addClass(element: any, className: string | string[]): void;
export declare function toggleClass<T extends Element>(element: T, className: string, condition: boolean): void;
export declare function removeClass(element: any, className: string): void;
export declare function setAttribute<T extends Element>(element: T, name: string, value: string): any;
export declare function setAttribute<T extends Element>(element: T, attributes: {
    [key: string]: string;
}): any;
export declare function createElement(tagName: string): HTMLElement;
export declare function appendChild(parent: HTMLElement, child: Node): Node;
export declare function prependChild(parent: HTMLElement, child: Node): void;
export declare function appendToBody(child: HTMLElement): () => void;
export declare function appendScript(source: string, id: string): void;
export declare function appendStyle(source: string, id: string): void;
export declare function getElementCoords(elem: Element): {
    top: number;
    left: number;
    width: number;
    height: number;
};
export declare function closest(element: Element, selector: string): Element;
export declare function coerceElement<T>(elementOrRef: ElementRef<T> | T): T;
export declare function noop(): void;