import { ButtonData } from '../types/ButtonData';
export declare abstract class TuiRadioBase extends HTMLElement {
    protected readonly shadow: ShadowRoot;
    $label: HTMLLabelElement;
    $description: HTMLSpanElement;
    $buttonContainer: HTMLDivElement;
    protected activeButton: HTMLButtonElement | null;
    protected constructor();
    abstract get template(): HTMLTemplateElement;
    protected initializeShadowDom(): void;
    static get observedAttributes(): string[];
    get label(): string;
    set label(value: string);
    get description(): string;
    set description(description: string);
    get buttons(): ButtonData[];
    set buttons(buttons: ButtonData[]);
    get active(): HTMLButtonElement | null;
    attributeChangedCallback(name: string, oldValue: string, newValue: string): void;
    protected initEventListeners(): void;
    protected removeActiveClass(buttons: NodeListOf<Element>): void;
    protected parseButtonsJson(buttons: string): Array<ButtonData>;
    protected abstract renderButtons(buttons: string): void;
}