import * as React from 'react';
import { AsyncVoidFunction, ModuleManager } from '@nu-art/ts-common';
import '../styles/impl/basic.scss';
import '../styles/impl/icons.scss';
import { ThunderAppWrapperProps } from './types.js';
import { StorageKey } from '../modules/ModuleFE_LocalStorage.js';
export declare const Storage_AppVersion: StorageKey<string>;
export type ThunderConfig = {
    defaultConfigUrl?: string;
    configUrl: string;
};
export declare class Thunder extends ModuleManager {
    private listeners;
    private renderFunc;
    private props;
    private preBuildActions;
    readonly innerConfig: Readonly<ThunderConfig>;
    constructor(config: ThunderConfig);
    static getInstance(): Thunder;
    init(): this;
    private fetchConfig;
    protected addUIListener(listener: any): void;
    protected removeUIListener(listener: any): void;
    /**
     * Set up the entry point for the app.
     * @param mainApp - The entry point into the application, what will be rendered directly under root (usually App.tsx)
     * @param props - The props to go with the supplied main app
     * @param renderFunc - The app wrapper, which will usually provide a router. by default is "appWithJSX" which will just return the app
     */
    setMainApp<P extends {}>(mainApp: React.ElementType<P>, props?: P, renderFunc?: (props: ThunderAppWrapperProps) => React.ReactElement): Thunder;
    build(onStarted?: () => void): void;
    setVersion(version: string): this;
    getConfig(): any;
    addPreBuildAction: (func: AsyncVoidFunction) => this;
    getEnvironment(): string;
}