import { WebComponent } from '@substrate-system/web-component';
declare global {
    interface HTMLElementTagNameMap {
        'modal-window': ModalWindow;
    }
}
declare const ModalWindow_base: {
    new (...args: any[]): WebComponent;
    TAG: string;
    define: typeof WebComponent.define;
    event: typeof WebComponent.event;
};
export declare class ModalWindow extends ModalWindow_base {
    _buttonClose: HTMLButtonElement | null;
    _modal: HTMLDialogElement | null;
    _modalOverlay: HTMLDivElement | null;
    _modalScroll: HTMLDivElement | null;
    _modalContent: HTMLDivElement | null;
    _focusTrap1: HTMLSpanElement | null;
    _focusTrap2: HTMLSpanElement | null;
    _heading: HTMLElement | null;
    static TAG: string;
    _activeElement: HTMLElement | null;
    _isActive: boolean;
    _isAnimated: boolean;
    _isBuilt: boolean;
    _isHideShow: boolean;
    _timerForHide: number | undefined;
    _timerForShow: number | undefined;
    _closable: boolean;
    _showIcon: boolean;
    _noClick: boolean;
    constructor();
    render(): void;
    _buildModal(contentNodes: Node[]): void;
    static get observedAttributes(): string[];
    attributeChangedCallback(name: string, oldValue: string, newValue: string): Promise<void>;
    connectedCallback(): void;
    disconnectedCallback(): void;
    _bind(): void;
    _addEvents(): void;
    _removeEvents(): void;
    _setAnimationFlag(): void;
    _setCloseTitle(): void;
    _setModalLabel(): void;
    _setModalDescription(): void;
    _setActiveFlag(): void;
    _focusElement(element: HTMLElement): void;
    _focusModal(): void;
    _isOutsideModal(element?: HTMLElement): boolean;
    _isMotionOkay(): boolean;
    _toggleModalDisplay(callback: () => void): void;
    _handleClickOverlay(event: MouseEvent): void;
    _handleClickClose(): void;
    _handleFocusIn(): void;
    _handleKeyDown(event: KeyboardEvent): void;
    open(): void;
    close(): void;
}
export {};
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