import { HelperItem } from './Helper';
/**
 * @specs https://m3.material.io/components/navigation-bar/specs
 */
export declare const NavigationBar: import('react').ForwardRefExoticComponent<{
    items: Array<HelperItem & {
        key: React.Key;
    }>;
    onChange?(item: HelperItem & {
        key: React.Key;
    }): void;
    /**
     * Fix the component to the bottom side
     *
     * See also `zIndex` `inset`
     */
    fixed?: boolean;
    /**
     * CSS `z-index`, if `fixed` set to `true`
     *
     * @default 2
     */
    zIndex?: number;
    /**
     * CSS `inset`, if `fixed` set to `true`
     */
    inset?: string;
} & Omit<import('react').HTMLProps<HTMLElement>, "inset" | "zIndex" | "as" | "ref" | "onChange" | "fixed" | "items"> & import('react').RefAttributes<HTMLDivElement>>;