import { default as React, ReactNode } from 'react';
import { DataAttributes } from '../../../types/DataAttributes.js';
import { NavItemProps, RawNavItem } from './RawNavItem.js';
type NavGroupChildren = React.ReactElement<NavItemProps, typeof RawNavItem>;
type NavGroupProps = {
    /** The child elements to be rendered inside the NavGroup. They must be `<RawNavItem>` components. */
    children: NavGroupChildren | NavGroupChildren[];
    /** The label to show for the NavGroup. */
    label: string;
    /** The prefix element to be displayed before the label. It can be any valid React element. */
    prefix?: ({ isExpanded }: {
        isExpanded: boolean;
    }) => ReactNode;
    /** The suffix element to be displayed after the label.  It can be any valid React element. */
    suffix?: ReactNode;
    /** Whether the NavGroup is currently expanded. Use it to switch the component to a controlled mode. */
    isExpanded?: boolean;
    /** Whether the NavGroup is expanded by default. It only has effect in uncontrolled mode */
    defaultExpanded?: boolean;
    /** Callback function to be called when the NavGroup is expanded or collapsed. */
    onToggle?: (isExpanded: boolean) => void;
} & DataAttributes;
/**
 * The `NavGroup` component represents a tree of navigation items grouped under a single root element in a `Nav` component. It can be expanded or collapsed to show or hide its children.
 */
export declare function NavGroup({ children, label, prefix, suffix, defaultExpanded, isExpanded: controlledIsExpanded, onToggle, ...dataAttributes }: NavGroupProps): import("react/jsx-runtime").JSX.Element;
export declare namespace NavGroup {
    var displayName: string;
}
export {};