import { nothing } from '../../../external/lit/index.js';
import { UmbLitElement } from '../lit-element/index.js';
export declare class UmbDebugElement extends UmbLitElement {
    #private;
    visible: boolean;
    dialog: boolean;
    private _contexts;
    private _debugPaneOpen;
    private _modalContext?;
    constructor();
    render(): typeof nothing | import("lit-html").TemplateResult<1>;
    static styles: import("lit").CSSResult[];
}
declare global {
    interface HTMLElementTagNameMap {
        'umb-debug': UmbDebugElement;
    }
}