import { CSSResultGroup, PropertyValues, TemplateResult } from 'lit';
import { SbbElement } from '../core/base-elements.ts';
declare const SbbRadioButtonPanelElement_base: import('../core/mixins.ts').AbstractConstructor<import('../core/mixins.ts').SbbPanelMixinType> & import('../core/mixins.ts').AbstractConstructor<import('../radio-button/common/radio-button-common.ts').SbbRadioButtonCommonElementMixinType> & import('../core/mixins.ts').AbstractConstructor<import('../core/mixins.ts').SbbUpdateSchedulerMixinType> & typeof SbbElement;
/**
 * It displays a radio button enhanced with the panel design.
 *
 * @slot - Use the unnamed slot to add content to the radio label.
 * @slot subtext - Slot used to render a subtext under the label.
 * @slot suffix - Slot used to render additional content after the label.
 * @slot badge - Use this slot to provide a `sbb-card-badge` (optional).
 * @event {Event} change - The change event is fired when the user modifies the element's value. Unlike the input event, the change event is not necessarily fired for each alteration to an element's value.
 * @event {InputEvent} input - The input event fires when the value has been changed as a direct result of a user action.
 * @overrideType value - (T = string) | null
 */
export declare class SbbRadioButtonPanelElement<T = string> extends SbbRadioButtonPanelElement_base {
    static readonly elementName: string;
    static styles: CSSResultGroup;
    static readonly events: {
        readonly change: "change";
        readonly input: "input";
    };
    /**
     * The value of the form element
     */
    accessor value: T | null;
    private _hasSelectionPanelElement;
    connectedCallback(): void;
    protected willUpdate(changedProperties: PropertyValues<this>): void;
    /**
     * As an exception, panels with a selection-panel attached are always focusable
     */
    protected updateFocusableRadios(): void;
    /**
     * As an exception, radio-panels with a selection-panel attached are not checked automatically when navigating by keyboard
     */
    protected navigateByKeyboard(next: SbbRadioButtonPanelElement): Promise<void>;
    protected render(): TemplateResult;
}
declare global {
    interface HTMLElementTagNameMap {
        'sbb-radio-button-panel': SbbRadioButtonPanelElement;
    }
}
export {};
//# sourceMappingURL=radio-button-panel.component.d.ts.map