import { LitElement } from 'lit';
declare const RadioButtonGroup_base: (new (...args: any[]) => import("../../../common/mixins/form-input").FormMixinInterface) & typeof LitElement;
/**
 * Radio button group container.
 * @fires on-radio-group-change - Captures the change event and emits the selected value.`detail:{ value: string }`
 * @slot unnamed - Slot for individual radio buttons.
 * @slot description - Slot for description text.
 * @slot tooltip - Slot for tooltip.
 * @attr {string} [value=''] - The selected value of the radio group.
 * @attr {string} [name=''] - The name of the input, used for form submission.
 * @attr {string} [invalidText=''] - The custom validation message when the input is invalid.
 */
export declare class RadioButtonGroup extends RadioButtonGroup_base {
    static styles: import("lit").CSSResult;
    /** Label text */
    accessor label: string;
    /** Makes the input required. */
    accessor required: boolean;
    /** Radio button group disabled state. */
    accessor disabled: boolean;
    /** Radio button group readonly state. */
    accessor readonly: boolean;
    /** Radio button group horizontal layout. */
    accessor horizontal: boolean;
    /** Visually hides the label while keeping it accessible to screen readers. */
    accessor hideLabel: boolean;
    /** Text string customization. */
    accessor textStrings: {
        required: string;
        error: string;
    };
    /** Internal text strings.
     * @internal
     */
    accessor _textStrings: {
        required: string;
        error: string;
    };
    /**
     * Queries for slotted radio buttons.
     * @ignore
     */
    accessor radioButtons: Array<any>;
    render(): import("lit-html").TemplateResult<1>;
    private _handleSlotChange;
    private _updateChildren;
    willUpdate(changedProps: any): void;
    updated(changedProps: any): void;
    private _validate;
    private _handleRadioChange;
    connectedCallback(): void;
    disconnectedCallback(): void;
}
declare global {
    interface HTMLElementTagNameMap {
        'kyn-radio-button-group': RadioButtonGroup;
    }
}
export {};
//# sourceMappingURL=radioButtonGroup.d.ts.map