import { ElementRef, Renderer2, OnInit } from '@angular/core';
import * as i0 from "@angular/core";
export declare class RippleDirective implements OnInit {
    private el;
    private renderer;
    ncColor: string;
    ncDuration: number;
    private rippleContainer;
    constructor(el: ElementRef, renderer: Renderer2);
    ngOnInit(): void;
    private createRippleContainer;
    onClick(event: MouseEvent): void;
    static ɵfac: i0.ɵɵFactoryDeclaration<RippleDirective, never>;
    static ɵdir: i0.ɵɵDirectiveDeclaration<RippleDirective, "[ncRipple]", never, { "ncColor": "ncColor"; "ncDuration": "ncDuration"; }, {}, never>;
}