import type { BaseDecorator, BaseInterface } from '../Base/types.js';
import type { Base, BaseProps } from '../Base/index.js';
export interface WithGroupProps extends BaseProps {
    $options: {
        group: string;
    };
}
export interface WithGroupInterface extends BaseInterface {
    get $group(): Set<Base>;
}
/**
 * Add group features to easily bind multiple components together.
 *
 * @link https://js-toolkit.studiometa.dev/api/decorators/withGroup.html
 */
export declare function withGroup<S extends Base = Base>(BaseClass: typeof Base, namespace?: string): BaseDecorator<WithGroupInterface, S, WithGroupProps>;