import { ApplicationRef, EmbeddedViewRef, TemplateRef } from '@angular/core';
import * as i0 from "@angular/core";
export declare class PortalComponent {
    private appRef;
    private doc;
    viewRef: EmbeddedViewRef<any>;
    portalContainer: HTMLElement;
    templateRef: TemplateRef<any>;
    document: Document;
    constructor(appRef: ApplicationRef, doc: any);
    addContent(): void;
    open(): void;
    close(): void;
    static ɵfac: i0.ɵɵFactoryDeclaration<PortalComponent, never>;
    static ɵcmp: i0.ɵɵComponentDeclaration<PortalComponent, "d-portal", never, {}, {}, never, ["*"], false, never>;
}