import type { PopoverMenuRadioButtonElement } from "../content-elements/popover-menu-radio-button";
declare class RadioGroup {
    readonly name: string;
    protected buttons: Map<symbol, PopoverMenuRadioButtonElement>;
    protected selected?: symbol;
    constructor(name: string);
    isSelected(button: PopoverMenuRadioButtonElement): boolean;
    add(button: PopoverMenuRadioButtonElement, defaultOption: boolean): void;
    remove(button: PopoverMenuRadioButtonElement): void;
    select(button: PopoverMenuRadioButtonElement): void;
}
export declare class PopoverMenuRadioController {
    protected groups: Map<string, RadioGroup>;
    addToGroup(groupName: string, button: PopoverMenuRadioButtonElement, defaultOption?: boolean): RadioGroup;
    removeFromGroup(groupName: string, button: PopoverMenuRadioButtonElement): boolean;
}
export type { RadioGroup };