import { TemplateRef, OnDestroy, EventEmitter, Injector, ElementRef, ViewContainerRef } from '@angular/core';
import { Overlay, ConnectedPosition, ScrollStrategy } from '@angular/cdk/overlay';
import { LayerConfig, TemplateLayerRef } from '../layer/index';
export declare class PopoverComponent extends TemplateLayerRef implements OnDestroy {
    viewContainerRef: ViewContainerRef;
    private overlay;
    private document;
    constructor(injector: Injector, viewContainerRef: ViewContainerRef, overlay: Overlay, document: any);
    private _popoverAttachedSub?;
    closeOnEscape?: boolean;
    closeOnOffClick?: boolean;
    scrollStrategy?: ScrollStrategy;
    target?: ElementRef | HTMLElement;
    panelClass: string;
    positions?: ConnectedPosition[];
    visible: boolean;
    afterCloseOutput: import("rxjs").Observable<any>;
    visibleChange: EventEmitter<boolean>;
    protected templateRef: TemplateRef<any>;
    getLayerConfig(): LayerConfig;
    open(config?: LayerConfig): import("rxjs").Observable<any>;
    protected afterAttached(): void;
    protected afterDetached(result: any): void;
    ngOnDestroy(): void;
}