import * as React from "react";
import { NavigationBarProps } from "./types";
export declare class NavigationBar extends React.Component<NavigationBarProps> {
    private static propsStack;
    private static immediate;
    private static mergedProps;
    private static createStackEntry;
    static currentHeight: number | undefined;
    static pushStackEntry(props: NavigationBarProps): NavigationBarProps;
    static popStackEntry(entry: NavigationBarProps): void;
    static replaceStackEntry(entry: NavigationBarProps, props: NavigationBarProps): NavigationBarProps;
    private static updatePropsStack;
    private stackEntry;
    componentDidMount(): void;
    componentDidUpdate(): void;
    componentWillUnmount(): void;
    render(): React.ReactNode;
}