import DevicePixelRatioObserver from '../devicepixelratioobserver/DevicePixelRatioObserver';
/**
 * [[DevicePixelRatioMonitor]] manages device pixel ratio observers.
 */
export default interface DevicePixelRatioMonitor {
    /**
     * Registers a device pixel ratio observer to the observer queue.
     */
    registerObserver(observer: DevicePixelRatioObserver): void;
    /**
     * Removes a device pixel ratio observer from the observer queue.
     */
    removeObserver(observer: DevicePixelRatioObserver): void;
}