import { ElementRef, OnDestroy, AfterViewInit, Renderer2, OnInit } from '@angular/core';
import { AnimationBuilder } from '@angular/animations';
import { NgxMasonryComponent } from './ngx-masonry.component';
import * as i0 from "@angular/core";
export declare class NgxMasonryDirective implements OnInit, OnDestroy, AfterViewInit {
    element: ElementRef;
    private builder;
    private parent;
    private renderer;
    prepend: boolean;
    images: Set<HTMLImageElement>;
    private animations;
    constructor(element: ElementRef, builder: AnimationBuilder, parent: NgxMasonryComponent, renderer: Renderer2);
    ngOnInit(): void;
    ngAfterViewInit(): void;
    ngOnDestroy(): void;
    private imageLoaded;
    playAnimation(show: boolean): void;
    static ɵfac: i0.ɵɵFactoryDeclaration<NgxMasonryDirective, never>;
    static ɵdir: i0.ɵɵDirectiveDeclaration<NgxMasonryDirective, "[ngxMasonryItem], ngxMasonryItem", never, { "prepend": "prepend"; }, {}, never, never, false>;
}