import { EventData, Observable } from '../data/observable';
declare function checkIfMediaQueryMatches(mediaQueryString: string): boolean;
declare function matchMedia(mediaQueryString: string): MediaQueryListImpl;
declare class MediaQueryListImpl extends Observable implements MediaQueryList {
    static readonly changeEvent = "change";
    _media: string;
    _matches: boolean;
    private _onChange;
    private mediaQueryChangeListeners;
    constructor();
    get media(): string;
    get matches(): boolean;
    addEventListener(eventName: string, callback: (data: EventData) => void, thisArg?: any, once?: boolean): void;
    removeEventListener(eventName: string, callback?: (data: EventData) => void, thisArg?: any): void;
    addListener(callback: (this: MediaQueryList, ev: MediaQueryListEvent) => any): void;
    removeListener(callback: (this: MediaQueryList, ev: MediaQueryListEvent) => any): void;
    get onchange(): (this: MediaQueryList, ev: MediaQueryListEvent) => any;
    set onchange(callback: (this: MediaQueryList, ev: MediaQueryListEvent) => any);
    private _throwInvocationError;
}
export { matchMedia, MediaQueryListImpl as MediaQueryList, checkIfMediaQueryMatches };