import { ComponentRef, ElementRef, EmbeddedViewRef, EventEmitter, ChangeDetectorRef, Renderer2, OnInit } from '@angular/core';
import { BasePortalOutlet, ComponentPortal, CdkPortalOutlet, TemplatePortal } from '@angular/cdk/portal';
import { FocusTrapFactory } from '@angular/cdk/a11y';
import { GritOverlayConfig } from './grit-overlay-config';
import { AnimationService } from '../core/ui/animation.service';
import * as i0 from "@angular/core";
export declare function throwGritOverlayContentAlreadyAttachedError(): void;
export declare class GritOverlayContainer extends BasePortalOutlet implements OnInit {
    private _focusTrapFactory;
    private _changeDetectorRef;
    private _animationService;
    private _renderer;
    private _document;
    _config: GritOverlayConfig;
    _elementRef: ElementRef;
    /** The portal outlet inside of this container into which the dialog content will be loaded. */
    _portalOutlet: CdkPortalOutlet;
    /** The class that traps and manages focus within the dialog. */
    private _focusTrap;
    /** Element that was focused before the dialog was opened. Save this to restore upon close. */
    private _elementFocusedBeforeDialogWasOpened;
    private _containerHeight;
    private _containerWidth;
    /** State of the dialog animation. */
    _state: 'void' | 'enter' | 'exit';
    /** Emits when an animation state changes. */
    _animationStateChanged: EventEmitter<any>;
    /** ID of the element that should be considered as the dialog's label. */
    _ariaLabelledBy: string | null;
    /** ID for the container DOM element. */
    _id: string;
    containerClass: boolean;
    tabindex: number;
    ariaModal: boolean;
    role: import("./grit-overlay-config").DialogRole;
    id: string;
    ariaLabelBy: string;
    ariaLabel: string;
    ariaDescribedby: string;
    modal: boolean;
    bottomSheet: boolean;
    rightSheet: boolean;
    constructor(_focusTrapFactory: FocusTrapFactory, _changeDetectorRef: ChangeDetectorRef, _animationService: AnimationService, _renderer: Renderer2, _document: any, _config: GritOverlayConfig, _elementRef: ElementRef);
    ngOnInit(): Promise<void>;
    attachComponentPortal<T>(portal: ComponentPortal<T>): ComponentRef<T>;
    attachTemplatePortal<C>(portal: TemplatePortal<C>): EmbeddedViewRef<C>;
    private _trapFocus;
    private _restoreFocus;
    private _savePreviouslyFocusedElement;
    /** Callback, invoked whenever an animation on the host completes. */
    _onAnimationDone(state: any): void;
    /** Callback, invoked when an animation on the host starts. */
    _onAnimationStart(state: any): Promise<void>;
    /** Starts the dialog exit animation. */
    _startExitAnimation(backdrop?: HTMLElement): Promise<void>;
    /** Starts the dialog exit animation. */
    _startEnterAnimation(): Promise<void>;
    private _startEnterAnimationBottomSheet;
    private _startExitAnimationBottomSheet;
    private _preAnimateEnterBottomSheet;
    private _startEnterAnimationRightSheet;
    private _startExitAnimationRightSheet;
    private _preAnimateEnterRightSheet;
    private _startEnterAnimationModal;
    private _startExitAnimationModal;
    private _preAnimateEnterModal;
    private _applyContainerTypeClass;
    _BackdropExitAnimation(backdrop: any, startBackgroundColor: any): Promise<import("../core/ui/animation.service").AnimationResult[]>;
    static ɵfac: i0.ɵɵFactoryDef<GritOverlayContainer, [null, null, null, null, { optional: true; }, null, null]>;
    static ɵcmp: i0.ɵɵComponentDefWithMeta<GritOverlayContainer, "grit-overlay-container", never, {}, {}, never, never>;
}