import { TemplateResult } from "lit-element";
import { IInputBehaviorProperties, InputBehavior } from "../behavior/input/input-behavior";
import { AriaRole } from "../util/aria";
/**
 * Properties of the select.
 */
export interface ISelectProperties extends IInputBehaviorProperties {
}
/**
 * Select one or more values from a set of options.
 * @slot - <option> elements go here.
 * @cssprop --select-arrow-height - Height of the arrow.
 */
export declare class Select extends InputBehavior implements ISelectProperties {
    static styles: import("lit-element").CSSResult[];
    /**
     * Role of the select.
     */
    role: AriaRole;
    /**
     * Hook up the slot change event listener after first update.
     * @param props
     */
    firstUpdated(props: Map<keyof ISelectProperties, unknown>): void;
    /**
     * Updates the options of the select element and syncs the value.
     * Note that it was not possible to use the slot directly in the select (eg. <select><slot></slot></select>)
     * and that the options from the slot had to be cloned in order to not be removed from the slot.
     */
    private updateOptions;
    /**
     * Returns the form element
     */
    protected renderFormElement(): TemplateResult;
}
declare global {
    interface HTMLElementTagNameMap {
        "wl-select": Select;
    }
}