import * as i0 from '@angular/core'; import { OnDestroy } from '@angular/core'; import { Observable } from 'rxjs'; declare class SizeObserver implements OnDestroy { private _observedElements; ngOnDestroy(): void; observe(element: Element): Observable; private _observeElement; private _unobserveElement; private _cleanupObserver; static ɵfac: i0.ɵɵFactoryDeclaration; static ɵprov: i0.ɵɵInjectableDeclaration; } declare class ObserverSize { private readonly _obs; private readonly el; private readonly d$; readonly event: i0.OutputEmitterRef; constructor(); static ɵfac: i0.ɵɵFactoryDeclaration; static ɵdir: i0.ɵɵDirectiveDeclaration; } declare class ObserversModule { static ɵfac: i0.ɵɵFactoryDeclaration; static ɵmod: i0.ɵɵNgModuleDeclaration; static ɵinj: i0.ɵɵInjectorDeclaration; } export { ObserverSize, ObserversModule, SizeObserver };