import ShoelaceElement from '../../internal/shoelace-element.js';
import SlAnimation from '../animation/animation.component.js';
import SlIcon from '../icon/icon.component.js';
import type { CSSResultGroup } from 'lit';
/**
 * @summary Shoelace's Radio component, more commonly called **Radio Button**, allows the user to select a single option from a group. Radios should always be nested within a [Radio Group](/components/radio-group).
 * @documentation https://shoelace.style/components/radio
 * @status stable
 * @since 2.0
 * @pattern stable
 * @figma ready
 *
 * @dependency sl-icon
 *
 * @slot - The radio's label.
 * @slot description - A description of the radio's label. Serves as help text for individual radio items. Alternatively, you can use the `description` attribute.
 * @slot selected-content - Use to nest rich content (like an input) inside a selected radio item. Use only with the contained style.
 *
 * @event sl-blur - Emitted when the control loses focus.
 * @event sl-focus - Emitted when the control gains focus.
 *
 * @csspart base - The component's base wrapper.
 * @csspart control - The circular container that wraps the radio's checked state.
 * @csspart control--checked - The radio control when the radio is checked.
 * @csspart checked-icon - The checked icon, an `<sl-icon>` element.
 * @csspart label - The container that wraps the radio's label.
 * @csspart description - The container that wraps the radio's description.
 * @csspart selected-content - The container that wraps optional content that appears when a radio is selected (checked).
 */
export default class SlRadio extends ShoelaceElement {
    static styles: CSSResultGroup;
    static dependencies: {
        'sl-icon': typeof SlIcon;
        'sl-animation': typeof SlAnimation;
    };
    private readonly hasSlotController;
    checked: boolean;
    protected hasFocus: boolean;
    /** The radio's value. When selected, the radio group will receive this value. */
    value: string;
    /**
     * The radio's size. When used inside a radio group, the size will be determined by the radio group's size so this
     * attribute can typically be omitted.
     */
    size: 'small' | 'medium' | 'large';
    /** A description of the radio's label. Serves as help text for individual radio items. If you need to display HTML, use the `description` slot instead. */
    description: string;
    /** Disables the radio. */
    disabled: boolean;
    /** Draws a container around the radio. */
    contained: boolean;
    /** Applies styles relevant to radios in a horizontal layout. */
    horizontal: boolean;
    constructor();
    connectedCallback(): void;
    private handleBlur;
    private handleClick;
    private handleFocus;
    private setInitialAttributes;
    handleCheckedChange(): void;
    handleDisabledChange(): void;
    render(): import("lit-html").TemplateResult<1>;
}
declare global {
    interface HTMLElementTagNameMap {
        'sl-radio': SlRadio;
    }
}