import '../components/nui-heading/nui-heading.js';
import { LitElement } from 'lit';
export declare class PlaygroundApp extends LitElement {
    private selectedTag;
    private palette;
    private mode;
    private propsByTag;
    static styles: CSSStyleSheet;
    connectedCallback(): void;
    updated(changed: Map<string, unknown>): void;
    private get definition();
    private get currentProps();
    private selectComponent;
    private updateProp;
    private resetProps;
    render(): import("lit-html").TemplateResult<1>;
}
declare global {
    interface HTMLElementTagNameMap {
        'playground-app': PlaygroundApp;
    }
}
//# sourceMappingURL=playground-app.d.ts.map