import { ElementRef, OnDestroy, OnInit, EventEmitter } from '@angular/core';
export declare class ResizeObserverDirective implements OnInit, OnDestroy {
    el: ElementRef;
    target: ElementRef;
    resize: EventEmitter<{}>;
    constructor(el: ElementRef);
    _resizeCallback(entry: any): void;
    ngOnInit(): void;
    ngOnDestroy(): void;
}