import React from 'react';
import { RenderPropsCore } from '../type';
import PluginInstance from '../pluginInstance';
export interface NavBarBaseImplType {
    [key: string]: any;
}
export interface NavBarContentProps extends RenderPropsCore {
}
export interface NavBarAddOptions {
    area: 'left' | 'center' | 'right';
    wrapStyle: React.CSSProperties;
    ComponentElement: React.ComponentClass<any> | React.FunctionComponent<any>;
    props?: (opts: RenderPropsCore) => Record<string, any>;
}
declare class NavBarPlugin extends PluginInstance implements NavBarBaseImplType {
    [key: string]: any;
    get shouldShow(): boolean;
    constructor();
    left?: NavBarAddOptions;
    right?: NavBarAddOptions;
    center?: NavBarAddOptions;
    private validationArea;
    add(opts: NavBarAddOptions): Promise<void>;
}
export default NavBarPlugin;