import { AfterContentInit, OnDestroy } from '@angular/core';
import { PageHeaderService, PageSubtitleService } from '../../services';
import * as i0 from "@angular/core";
export declare class RenderPageSubtitleDirective implements AfterContentInit, OnDestroy {
    private readonly pageSubtitleService;
    private readonly pageHeaderService;
    templateRef: any;
    private readonly _subscriptions;
    constructor(pageSubtitleService: PageSubtitleService, pageHeaderService: PageHeaderService);
    ngAfterContentInit(): void;
    ngOnDestroy(): void;
    static ɵfac: i0.ɵɵFactoryDeclaration<RenderPageSubtitleDirective, never>;
    static ɵdir: i0.ɵɵDirectiveDeclaration<RenderPageSubtitleDirective, "[renderPageSubtitle]", never, {}, {}, ["templateRef"], never, false, never>;
}
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