import { QueryParamTypeMap } from "../domain/definitions/types/QueryParam";
import { IPageConfig } from "./page/interfaces/IPageConfig";
import { PublicPageDefinition } from "./page/types/PageDefinition";
/**
 * Configuration interface for the application setup.
 * @template RelativeUrl The type for relative URL paths in the application.
 */
interface AppConfig<RelativeUrl extends string> {
    /**
     * The default page URL to load when no specific route is matched.
     */
    defaultPage: RelativeUrl;
    /**
     * Flag to enable URL-based routing in the application.
     */
    urlBasedRouting?: boolean;
}
/**
 * Core application class managing page navigation and rendering.
 * Implements the Singleton pattern for application state management.
 * @template RelativeUrl The type for relative URL paths in the application.
 */
export declare class App<RelativeUrl extends string> {
    /**
     * Singleton instance of the application.
     */
    private static _instance;
    /**
     * Application configuration settings.
     */
    private readonly _config;
    /**
     * Unique identifier for this application instance.
     */
    private readonly _uuid;
    /**
     * Manager handling page-related operations.
     */
    private readonly _pageManager;
    /**
     * Default page instance used when no specific route is matched.
     */
    private _defaultPage?;
    /**
     * The currently active page.
     */
    private _currentPage?;
    /**
     * Creates a new App instance with the specified configuration.
     * @param {AppConfig<RelativeUrl>} config The application configuration.
     */
    private constructor();
    /**
     * Retrieves the application's root DOM node.
     * @returns {HTMLDivElement} The root DOM element for the application.
     * @throws {AppRootElementNotFoundError} When the application root element is not found in the DOM.
     */
    private get _appNode();
    /**
     * Gets or creates the singleton instance of the application.
     * @param {AppConfig<RelativeUrl>} config The application configuration.
     * @returns {App<RelativeUrl>} The singleton instance of the application.
     * @throws AppInitializedError When attempting to register a page with a duplicate normalized URL or when there is no registered pages.
     * @throws PageNotFoundError When the default provided url does not match a registered page.
     */
    static getInstance<RelativeUrl extends string>(config: AppConfig<RelativeUrl>): App<RelativeUrl>;
    /**
     * Creates a navigation function for the specified URL type.
     * @returns {(url: RelativeUrl) => void} A function that navigates to the specified URL.
     * @throws AppNotInitializedError When there is no app instance.
     */
    static navigate<RelativeUrl extends string>(url: RelativeUrl): void;
    /**
     * Creates a new page definition.
     * @template RelativeUrl The type representing the relative URL of the page.
     * @template TParamTypeMap The type map for query parameters.
     * @param {IPageConfig<RelativeUrl, TParamTypeMap>} config Configuration object for the page.
     * @returns {PublicPageDefinition<RelativeUrl, TParamTypeMap>} A public interface for interacting with the page.
     */
    static createPage<RelativeUrl extends string, TParamTypeMap extends QueryParamTypeMap = never>(config: IPageConfig<RelativeUrl, TParamTypeMap>): PublicPageDefinition<RelativeUrl, TParamTypeMap>;
    /**
     * Registers multiple pages with the application and initiates the application start sequence.
     * @template RelativeUrl The type representing the relative URL of the pages.
     * @template TParamTypeMap The type map for query parameters.
     * @param {PublicPageDefinition<RelativeUrl, TParamTypeMap>[]} pages Array of page definitions to register.
     * @throws {AppInitializedError} When an invalid page definition is provided.
     */
    addPages<TParamTypeMap extends QueryParamTypeMap>(pages: PublicPageDefinition<RelativeUrl, TParamTypeMap>[]): void;
    /**
     * Creates and configures the application's DOM container.
     * @returns {HTMLDivElement} The configured application container element.
     */
    private _createAppContainer;
    /**
     * Configures the provided DOM element as the application container.
     * @param {HTMLDivElement} div The DOM element to configure.
     */
    private _configureAppContainer;
    /**
     * Initializes the application's DOM structure.
     * @throws {AppInitializedError} When the body node is not found in the HTML.
     */
    private _initializeDom;
    /**
     * Initializes the default page if not already set by finding it using the configured default page URL.
     */
    private _initializeDefaultPage;
    /**
     * Starts the application by initializing the default page and setting up routing based on configuration.
     */
    private _start;
    /**
     * Sets up URL-based routing by initializing hash-based navigation and event listeners.
     * Only processes if the current pathname is root ("/").
     */
    private _initializeRoutingFromUrl;
    /**
     * Renders the page corresponding to the current URL hash.
     * Falls back to default page if an error occurs during rendering.
     */
    private _renderPageFromHash;
    /**
     * Renders the specified page by updating the DOM and managing event listeners.
     * @param {IPage<RelativeUrl, any>} page The page to render.
     */
    private _renderPage;
}
export {};