import * as i0 from "@angular/core";
export declare class KageRippleDirective {
    rippleColor: import("@angular/core").InputSignal<string | undefined>;
    private container;
    private keyframesInjected;
    private el;
    private renderer;
    private document;
    private platformId;
    constructor();
    onClick(event: MouseEvent): void;
    private injectRippleKeyframes;
    ngOnDestroy(): void;
    static ɵfac: i0.ɵɵFactoryDeclaration<KageRippleDirective, never>;
    static ɵdir: i0.ɵɵDirectiveDeclaration<KageRippleDirective, "[kageRipple]", never, { "rippleColor": { "alias": "rippleColor"; "required": false; "isSignal": true; }; }, {}, never, never, true, never>;
}