import '@vaadin/vaadin-select';
import { CSSResult, CSSResultArray, LitElement, PropertyDeclarations, TemplateResult } from 'lit-element';
/** @deprecated – use internal controls instead */
export declare class Dropdown extends LitElement {
    static get properties(): PropertyDeclarations;
    static get styles(): CSSResult | CSSResultArray;
    disabled: boolean;
    label: string;
    value: null | string;
    items: null | (string | [string, string[]])[];
    getText: (value: string) => string;
    private __unexistentValue;
    private __renderedItems;
    private __list;
    constructor();
    render(): TemplateResult;
    private __renderItems;
    private __addOrKeepItem;
    private __handleChange;
}