export declare function mainNavReducer(state: any, action: any): any;
export declare const initMainNavState: (items: any) => {
    isOpen: boolean;
    items: any;
};
export declare const useHeaderMainNav: (items: any) => any;
export declare const useHeaderNavKeydown: (element: any, onKeyDown: any) => void;
export declare const useHeaderNavMouseEvents: (element: any, onMouseEnter: any, onMouseLeave: any) => void;
export declare const useHeaderNavButtonEffects: (element: any, onClick: any) => void;