import { Ref } from '../../node_modules/vue';
/**
 * Reactive API returned by {@link useAppHeader}.
 */
export interface UseAppHeader {
    showFollowUsPopover: Ref<boolean>;
    collapseNavbar: Ref<boolean>;
    closeFollowUsPopover: () => void;
    toggleNavbar: () => void;
}
/**
 * Manages the `AppHeader` interactive state: the collapsed/expanded navbar and
 * the "follow us" popover visibility. Toggling the navbar always dismisses the
 * popover so the two never overlap on small screens.
 *
 * Internal building block for `AppHeader`; not exported from `@icij/murmur-next`.
 *
 * @returns The {@link UseAppHeader} API: the `showFollowUsPopover` and
 *   `collapseNavbar` flags plus the `closeFollowUsPopover` and `toggleNavbar`
 *   actions.
 * @example
 * import { useAppHeader } from '@/composables/useAppHeader'
 *
 * const { showFollowUsPopover, collapseNavbar, closeFollowUsPopover, toggleNavbar } = useAppHeader()
 */
export declare function useAppHeader(): UseAppHeader;
export default useAppHeader;