import { ElementRef, OnDestroy } from '@angular/core';
import * as i0 from "@angular/core";
export declare class ClickOutsideDirective implements OnDestroy {
    private platformId;
    /**
     * Outside  of click outside directive
     */
    clickOutside: import("@angular/core").OutputEmitterRef<void>;
    /**
     * Element ref of click outside directive
     */
    elementRef: ElementRef<any>;
    /**
     * Observer  of click outside directive
     */
    private observer?;
    /**
     * Determines whether visible is
     */
    private isVisible;
    /**
     * Creates an instance of click outside directive.
     */
    constructor(platformId: Object);
    /**
     * Hosts listener
     * @param {HTMLElement} targetElement
     */
    onClick(targetElement: HTMLElement): void;
    /**
     * on destroy
     */
    ngOnDestroy(): void;
    static ɵfac: i0.ɵɵFactoryDeclaration<ClickOutsideDirective, never>;
    static ɵdir: i0.ɵɵDirectiveDeclaration<ClickOutsideDirective, "[clickOutside]", never, {}, { "clickOutside": "clickOutside"; }, never, never, true, never>;
}