import { Observable } from 'rxjs';
interface ResizeObserverOptions {
    /**
     * Sets which box model the observer will observe changes to. Possible values
     * are `content-box` (the default), and `border-box`.
     *
     * @default 'content-box'
     */
    box?: 'content-box' | 'border-box';
}
declare type ElementDimensions = {
    width: number;
    height: number;
};
export declare function dimensionsChanges(target: HTMLElement, options?: ResizeObserverOptions): Observable<ElementDimensions>;
export {};