import { CSSResultGroup, LitElement, PropertyValues, TemplateResult } from 'lit';
import { Context } from '@lit/context';
import { TextField, TextFieldVariant } from '../text-field/text-field.ts';
import { MdOption } from './option.ts';
import { MdOptGroup } from './group.ts';
import { MdHr } from './hr.ts';
export type ContextSelect = Context<symbol, {
    registerBlockConsumer: (option: MdOption) => void;
}>;
export declare const selectContext: ContextSelect;
/**
 * @tag md-select
 * @summary Material Select web component
 */
type MenuElementItem = MdOption | MdOptGroup | MdHr;
type MenuItem = {
    type: "option" | "optgroup" | "hr";
    element: MenuElementItem;
    children: MenuItem[];
};
declare const internals: unique symbol;
export default class Select extends LitElement {
    textField: TextField | null;
    select: HTMLSelectElement;
    firstOptionValue: string;
    static readonly formAssociated = true;
    [internals]: ElementInternals;
    static shadowRootOptions: ShadowRootInit;
    options: MenuItem[];
    constructor();
    static get styles(): CSSResultGroup;
    get form(): HTMLFormElement | null;
    disabled: boolean;
    value: string | undefined;
    required: boolean;
    name: string;
    label: string;
    /**
     * The variant style of the textField.
     */
    variant: TextFieldVariant;
    multiple: boolean;
    size: number;
    menu: (MdOption | MdOptGroup | MdHr)[];
    protected firstUpdated(_changedProperties: PropertyValues): void;
    formResetCallback(): void;
    setValue(value: string): void;
    handleChange(event: Event): void;
    private collectFirstOptionValue;
    private convertAndMoveOptions;
    private updateSlottedOptions;
    private renderMenu;
    render(): TemplateResult<1>;
}
declare global {
    interface HTMLElementTagNameMap {
        "md-select": Select;
    }
}
export {};