import { ViewContainerRef, ViewRef } from '@angular/core';
import * as i0 from "@angular/core";
/**
 * DialogContainerComponent — the floating shell rendered by DialogService.
 *
 * It renders:
 *   • A full-screen semi-transparent backdrop
 *   • A centered panel that hosts the user-provided content component
 *
 * The service programmatically attaches a content ViewRef into the
 * `contentOutlet` ViewContainerRef after construction.
 */
export declare class DialogContainerComponent {
    contentOutlet: ViewContainerRef;
    ariaLabel: string;
    maxWidth: string;
    panelClass: string;
    backdropClick: (() => void) | null;
    private cdr;
    private elRef;
    attachContent(view: ViewRef): void;
    onBackdropClick(): void;
    onKeydown(event: KeyboardEvent): void;
    private handleTab;
    private getFocusableElements;
    static ɵfac: i0.ɵɵFactoryDeclaration<DialogContainerComponent, never>;
    static ɵcmp: i0.ɵɵComponentDeclaration<DialogContainerComponent, "ngx-dialog-container", never, {}, {}, never, never, true, never>;
}