import { AfterContentInit, ChangeDetectorRef, DoCheck, EventEmitter, OnDestroy } from '@angular/core';
import { Router, RouterLink, RouterLinkWithHref } from '@angular/router';
import * as i0 from "@angular/core";
/**
 * Directive to provide notification or state changes for angulars @see RouterLink directive.
 * The design of this directive is identical to @see RouterLinkActive
 * and as such supports the same @see RouterLinkActiveOptions are supported.
 */
export declare class SmeRouterLinkDirective implements DoCheck, AfterContentInit, OnDestroy {
    link: RouterLink;
    linkWithHref: RouterLinkWithHref;
    private router;
    private changeDetectorRef;
    /**
     * The output for when the route is activated
     */
    smeRouterLinkActivated: EventEmitter<void>;
    /**
     * The output for when the route is deactivated
     */
    smeRouterLinkDeactivated: EventEmitter<void>;
    /**
     * Use the same input options as angulars @see RouterLinkActive Directive
     */
    routerLinkActiveOptions: {
        exact: boolean;
    };
    /**
     * Placeholder for the current activation state
     */
    private isActive;
    private subscriptions;
    /**
     * Initializes a new instance of the @see PivotComponent class.
     * @param  link The router link that's defined for the element or child elements
     * @param  linkWithHref The router link with 'a' tags that's defined for the element or child elements
     * @param  router The angular router service
     */
    constructor(link: RouterLink, linkWithHref: RouterLinkWithHref, router: Router, changeDetectorRef: ChangeDetectorRef);
    /**
     * Angulars AfterContentInit life cycle event
     */
    ngAfterContentInit(): void;
    /**
     * Angulars OnChanges life cycle event
     */
    ngDoCheck(): void;
    ngOnDestroy(): void;
    /**
     * Updates the isActive state and fires appropriate events if that state has changed.
     */
    private updateIsActive;
    /**
     * Indicates if a given link is active
     * @param link the link to check
     */
    private isLinkActive;
    /**
     * Indicates that at leased one link is active
     */
    private hasActiveLinks;
    static ɵfac: i0.ɵɵFactoryDeclaration<SmeRouterLinkDirective, [{ optional: true; host: true; }, { optional: true; host: true; }, null, null]>;
    static ɵdir: i0.ɵɵDirectiveDeclaration<SmeRouterLinkDirective, "[routerLink][smeRouterLinkActivated],[routerLink][smeRouterLinkDeactivated]", never, { "routerLinkActiveOptions": "routerLinkActiveOptions"; }, { "smeRouterLinkActivated": "smeRouterLinkActivated"; "smeRouterLinkDeactivated": "smeRouterLinkDeactivated"; }, never, never, false, never>;
}