import { LitElement } from 'lit';
export interface WsDialogCloseDetail {
    returnValue: string;
}
/**
 * A modal dialog with Workshop Expressive styling and a blurred backdrop.
 *
 * @slot icon - Optional icon shown beside the heading.
 * @slot - Dialog body content.
 * @slot actions - Dialog action controls.
 * @fires ws-dialog-cancel - Fired when the native dialog is cancelled, such as with Escape.
 * @fires ws-dialog-close - Fired whenever the dialog closes.
 */
export declare class WsDialog extends LitElement {
    static styles: import("lit").CSSResult;
    /** Opens the dialog in the modal top layer. */
    open: boolean;
    /** Primary dialog heading. */
    heading: string;
    /** Optional supporting text shown below the heading. */
    description: string;
    /** Accessible label used when a visible heading is not provided. */
    accessibleLabel: string;
    private hasIcon;
    private hasActions;
    render(): import("lit-html").TemplateResult<1>;
    protected updated(changed: Map<string, unknown>): void;
    /** Opens the dialog as a modal and moves it into the browser top layer. */
    showModal(): void;
    /** Closes the dialog with an optional return value. */
    close(returnValue?: string): void;
    private get dialogElement();
    private syncOpenState;
    private onIconSlotChange;
    private onActionsSlotChange;
    private onDialogClick;
    private onNativeCancel;
    private onNativeClose;
}
declare global {
    interface HTMLElementTagNameMap {
        'ws-dialog': WsDialog;
    }
    interface HTMLElementEventMap {
        'ws-dialog-cancel': CustomEvent<void>;
        'ws-dialog-close': CustomEvent<WsDialogCloseDetail>;
    }
}
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