import { CSSResultGroup, PropertyValues, TemplateResult, LitElement } from 'lit';
import { SbbHorizontalFrom, SbbOrientation } from '../../core/interfaces.js';
import { SbbRadioButtonElement, SbbRadioButtonSize } from '../radio-button.js';

export type SbbRadioButtonGroupEventDetail = {
    value: any | null;
    radioButton: SbbRadioButtonElement;
};
declare const SbbRadioButtonGroupElement_base: import('../../core/mixins.js').AbstractConstructor<import('../../core/mixins.js').SbbDisabledMixinType> & typeof LitElement;
/**
 * It can be used as a container for one or more `sbb-radio-button`.
 *
 * @slot - Use the unnamed slot to add `sbb-radio-button` elements to the `sbb-radio-button-group`.
 * @slot error - Use this to provide a `sbb-form-error` to show an error message.
 * @event {CustomEvent<SbbRadioButtonGroupEventDetail>} didChange - Deprecated. Only used for React. Will probably be removed once React 19 is available. Emits whenever the `sbb-radio-group` value changes.
 * @event {CustomEvent<SbbRadioButtonGroupEventDetail>} change - Emits whenever the `sbb-radio-group` value changes.
 * @event {CustomEvent<SbbRadioButtonGroupEventDetail>} input - Emits whenever the `sbb-radio-group` value changes.
 */
export declare class SbbRadioButtonGroupElement extends SbbRadioButtonGroupElement_base {
    static styles: CSSResultGroup;
    static readonly events: {
        readonly didChange: "didChange";
        readonly change: "change";
        readonly input: "input";
    };
    /**
     * Whether the radios can be deselected.
     */
    allowEmptySelection: boolean;
    /**
     * Whether the radio group is required.
     */
    required: boolean;
    /**
     * The value of the radio group.
     */
    value?: any | null;
    /**
     * Size variant, either m or s.
     */
    size: SbbRadioButtonSize;
    /**
     * Overrides the behaviour of `orientation` property.
     */
    horizontalFrom?: SbbHorizontalFrom;
    /**
     * Radio group's orientation, either horizontal or vertical.
     */
    orientation: SbbOrientation;
    /**
     * List of contained radio buttons.
     */
    get radioButtons(): SbbRadioButtonElement[];
    private get _enabledRadios();
    private _hasSelectionPanel;
    private _didLoad;
    private _abort;
    private _valueChanged;
    /**
     * Emits whenever the `sbb-radio-group` value changes.
     * @deprecated only used for React. Will probably be removed once React 19 is available.
     */
    private _didChange;
    /**
     * Emits whenever the `sbb-radio-group` value changes.
     */
    private _change;
    /**
     * Emits whenever the `sbb-radio-group` value changes.
     */
    private _input;
    constructor();
    connectedCallback(): void;
    willUpdate(changedProperties: PropertyValues<this>): void;
    protected firstUpdated(changedProperties: PropertyValues<this>): void;
    disconnectedCallback(): void;
    private _onRadioButtonSelect;
    private _emitChange;
    private _updateRadios;
    private _setFocusableRadio;
    private _getRadioTabIndex;
    private _handleKeyDown;
    protected render(): TemplateResult;
}
declare global {
    interface HTMLElementTagNameMap {
        'sbb-radio-button-group': SbbRadioButtonGroupElement;
    }
}
export {};
//# sourceMappingURL=radio-button-group.d.ts.map