import type { ReactiveController } from '../stencil/reactive-controller-host';
export interface RadioHost {
    el: HTMLElement;
    name?: string;
    checked: boolean;
    disabled: boolean;
    focusInput(): Promise<void>;
    updateValidity(): void;
}
export declare class RadioGroupController implements ReactiveController {
    private readonly host;
    private static registry;
    private group;
    private _groupKey;
    private _scope;
    constructor(host: RadioHost);
    hostConnected(): void;
    hostDidRender(): void;
    hostDisconnected(): void;
    get sortedEnabled(): RadioHost[];
    select(selectedHost: RadioHost): void;
    isAnyChecked(): boolean;
    refreshValidity(): void;
    setFocused(host: RadioHost): void;
    clearFocused(): void;
    updateTabindex(): void;
    private static acquireGroup;
    private static releaseGroup;
}