import { Overlay, OverlayConfig } from '@angular/cdk/overlay';
import { ElementRef, TemplateRef, ViewContainerRef } from '@angular/core';
import * as i0 from "@angular/core";
export declare abstract class OverlayComponent {
    private overlay;
    private viewContainerRef;
    private overlayRef;
    private portal;
    private readonly DEFAULT_MAX_HEIGHT;
    protected constructor(overlay: Overlay, viewContainerRef: ViewContainerRef);
    handleClick(event: MouseEvent): void;
    abstract shouldClose(event: Event): boolean;
    abstract afterClosed(): void;
    protected open(wrapper: ElementRef, overlayContent: TemplateRef<any>, config?: Partial<OverlayConfig>): void;
    protected close(): void;
    private getOverlayConfig;
    private biggerThanScreen;
    static ɵfac: i0.ɵɵFactoryDeclaration<OverlayComponent, never>;
    static ɵcmp: i0.ɵɵComponentDeclaration<OverlayComponent, "ng-component", never, {}, {}, never, never, false, never>;
}