import type { UmbTreeItemModel } from '../types.js';
import type { UmbTreeItemCardElement } from './types.js';
import { UmbLitElement } from '../../lit-element/index.js';
export declare class UmbTreeItemCardExtensionElement extends UmbLitElement {
    #private;
    protected _component?: UmbTreeItemCardElement;
    set item(value: UmbTreeItemModel | undefined);
    get item(): UmbTreeItemModel | undefined;
    render(): import("lit-html").TemplateResult<1>;
    destroy(): void;
    static styles: import("lit").CSSResult;
}
declare global {
    interface HTMLElementTagNameMap {
        'umb-tree-item-card-extension': UmbTreeItemCardExtensionElement;
    }
}