/// <reference types="react" />
import './navigation.scss';
import { HelperItem } from './Helper';
/**
 * @specs https://m3.material.io/components/navigation-rail/specs
 */
export declare const NavigationRail: import("react").ForwardRefExoticComponent<{
    fab: React.ReactNode;
    items: Array<HelperItem & {
        key: React.Key;
    }>;
    onChange?(item: HelperItem & {
        key: React.Key;
    }): void;
    /**
     * Fix the component to the left of the window
     */
    fixed?: boolean | undefined;
} & Omit<import("react").HTMLProps<HTMLElement>, "as" | "ref" | "onChange" | "fixed" | "fab" | "items"> & import("react").RefAttributes<HTMLDivElement>>;