import { PopupPlacement } from '../../../common/types';
import { GenericFormElement } from '../../../internal/mixin/genericFormElement';
/**
 * `dap-ds-radio-group`
 * @summary A radio group is a form element that allows the user to select one option from a set.
 * @element dap-ds-radio-group
 * @title - Radio group
 * @group radio-button
 *
 * @event dds-change - Fired when the radio group is checked.
 * @event dds-blur - Emitted when the radio group loses focus.
 * @event dds-focus - Emitted when the radio group gains focus.
 *
 * @property {string} name - The name of the radio group.
 * @property {string} value - The value of the radio group.
 * @property {boolean} disabled - Whether the radio group is disabled.
 * @property {boolean} required - Whether the radio group is required.
 * @property {string} label - The label of the radio group.
 * @property {string} description - The description of the radio group.
 * @property {string} tooltip - The tooltip of the radio group.
 * @property {'top' | 'right' | 'bottom' | 'left'} tooltipPlacement - The tooltip placement of the radio group.
 * @property {string} feedback - The feedback of the radio group.
 * @property {'negative' | 'positive' | 'warning'} feedbackType - The feedback type of the radio group. Can be `negative`, `positive`, or `warning`.
 * @property {boolean} optional - The optional state of the radio group.
 * @property {string} optionalLabel - Text of optional label.
 * @property {boolean} subtle - The weight of the label. Default is `false`
 * @property {'xs' | 'sm' | 'lg'} size - The size of the radio group. Default is `sm`.
 * @property {boolean} subtle - Font weight of the feedback label. Default is `false` which is bold.
 *
 * @slot - The content of the radio group.
 * @slot feedback-icon - The custom icon of the feedback.
 *
 * @csspart base - The main radio group container.
 * @csspart label - The label of the radio group.
 * @csspart tooltip - The tooltip of the radio group.
 * @csspart container - The container of the radio group items.
 */
export default class DapDSRadioGroup extends GenericFormElement {
    /** The placement of the tooltip.
     * @type { 'top' | 'right' | 'bottom' | 'left' }
     */
    tooltipPlacement: PopupPlacement;
    hiddenInput: HTMLInputElement;
    optionalLabel: string;
    private _previousValue?;
    static readonly styles: import('lit').CSSResult;
    willUpdate(changedProperties: Map<string, unknown>): void;
    updated(changedProperties: Map<string, unknown>): void;
    attributeChangedCallback(name: string, _old: string | null, value: string | null): void;
    private _handleSlotChange;
    private getAllRadios;
    private updateRadioStates;
    private syncRadioElements;
    private handleRadioClick;
    private handleKeyDown;
    setValidity(): void;
    get validationMessage(): string;
    checkValidity(): boolean;
    get validity(): {
        valid: boolean;
        valueMissing: boolean;
        badInput: boolean;
        customError: boolean;
        patternMismatch: boolean;
        rangeOverflow: boolean;
        rangeUnderflow: boolean;
        stepMismatch: boolean;
        tooLong: boolean;
        tooShort: boolean;
        typeMismatch: boolean;
    };
    reportValidity(): boolean;
    handleLabelClick(): void;
    handleInvalid(event: Event): void;
    render(): import('lit-html').TemplateResult;
    private _renderFeedback;
}