import { nothing } from '../../../../external/lit/index.js';
import { UmbLitElement } from '../../lit-element/index.js';
export declare class UmbValueSummaryExtensionElement extends UmbLitElement {
    #private;
    set valueType(value: string | undefined);
    get valueType(): string | undefined;
    value?: unknown;
    render(): typeof nothing | import("lit-html").TemplateResult<1>;
}
export { UmbValueSummaryExtensionElement as element };
declare global {
    interface HTMLElementTagNameMap {
        'umb-value-summary-extension': UmbValueSummaryExtensionElement;
    }
}