import type { Logger } from "vite";
import type { ViewConfig } from "../types.js";
export type RouteMeta = Readonly<{
	path: string
	file?: URL
	layout?: URL
	flowLayout?: boolean
	config?: ViewConfig
	children?: readonly RouteMeta[]
}>;
/**
* Routes collector options.
*/
export type CollectRoutesOptions = Readonly<{
	/**
	* The list of extensions for files that will be collected as routes.
	*/
	extensions: readonly string[]
	/**
	* The parent directory of the current directory. This is a
	* nested parameter used inside the function only.
	*/
	parent?: URL
	/**
	* The Vite logger instance.
	*/
	logger: Logger
}>;
/**
* Collect route metadata from the file system and build a route tree.
*
* It accepts files that start with `@` as special files.
* - `@layout` contains a component that wraps the child components.
* - `@index` contains a component that will be used as the index page of the directory.
*
* It accepts files that start with `_` as private files. They will be ignored.
*
* @param dir - The directory to collect routes from.
* @param options - The options object.
*
* @returns The route metadata array.
*/
export default function collectRoutesFromFS(dir: URL, { extensions, logger, parent }: CollectRoutesOptions): Promise<readonly RouteMeta[]>;