import '@a11y/focus-trap';
import { LitElement } from 'lit-element';
import 'lithium-ui/icon';
/**
 * Modal, to intercept or pause user for a specific blocking task.
 *
 * @noInheritDoc
 * @element li-modal
 * @slot li-modal-content - Content slot for modal body
 * @slot li-modal-header - Content slot for modal header
 * @slot li-modal-actions - Content slot for modal actions
 * @event openChange - Notify when the modal has been opened or closed.
 * @cssprop --border
 * @cssprop --background
 * @cssprop --color
 * @cssprop --max-width
 * @cssprop --max-height
 * @cssprop --margin
 * @cssprop --border-radius
 * @cssprop --backdrop-background
 */
export declare class LithiumModal extends LitElement {
    static readonly styles: import("lit-element").CSSResult[];
    /** Toggle if modal should be open or closed. */
    open: boolean;
    /** Option to set the modal size */
    size: '' | 'lg';
    /** Option to set if modal can be closed by clicking the X or backdrop */
    closable: boolean;
    /** Option to set if modal can be closed by clicking the modal backdrop */
    backdropClosable: boolean;
    private focusedElementBeforeOpen;
    private _open;
    connectedCallback(): void;
    disconnectedCallback(): void;
    protected render(): import("lit-element").TemplateResult;
    private removeOnEscape;
    private backdropClose;
    private closeModal;
    private openChange;
}
declare global {
    interface HTMLElementTagNameMap {
        'li-modal': LithiumModal;
    }
}