import { AfterViewInit, ElementRef, OnChanges, Renderer2 } from '@angular/core';
import { NzSafeAny } from '../types/any';
export declare class NzTransitionPatchDirective implements AfterViewInit, OnChanges {
    private elementRef;
    private renderer;
    hidden: NzSafeAny;
    setHiddenAttribute(): void;
    constructor(elementRef: ElementRef, renderer: Renderer2);
    ngOnChanges(): void;
    ngAfterViewInit(): void;
}