import { PropertyValues } from 'lit';
import { Radio } from '../../base/radio.js';
import '../focus-ring/focus-ring.js';
import '../ripple/ripple.js';
import type { M3Ripple } from '../ripple/ripple.js';
/**
 * @tag md-radio
 */
export declare class M3Radio extends Radio {
    $ripple: M3Ripple;
    static styles: any[];
    render(): import("lit-html").TemplateResult<1>;
    firstUpdated(): void;
    updated(changedProperties: PropertyValues<this>): void;
}
declare global {
    interface HTMLElementTagNameMap {
        'md-radio': M3Radio;
    }
}