import { TemplateResult } from 'lit';
import { BahtElement } from '../base.js';
/**
 * Full-viewport loading scrim with a centered spinner (0.4 ink scrim, same
 * as `<baht-modal>`'s). Controlled: the host flips `open` — e.g. from an
 * in-flight HTTP request counter.
 *
 *   <baht-loading-overlay [open]="loading()"></baht-loading-overlay>
 */
export declare class BahtLoadingOverlay extends BahtElement {
    open: boolean;
    label: string;
    protected render(): TemplateResult;
}