import Modifier from 'ember-modifier';
export interface Observer {
    disconnect: () => void;
    observe: (element: Element, options?: {
        [key: string]: any;
    }) => void;
}
interface ResizeObserverArgs {
    element: Element;
    positional: ['width' | 'height'];
    named: {
        onResize: (dimensions: {
            height: number;
            width: number;
        }) => void;
    };
}
export default class ResizeObserver extends Modifier<ResizeObserverArgs> {
    height: number;
    width: number;
    observer: Observer | null;
    setSize({ width, height }: {
        width: number;
        height: number;
    }): void;
    didInstall(): void;
    willRemove(): void;
}
export {};