import Loader from './Loader';
import { LoaderDescription } from './loaders';
/**
 * The loader manager is responsible of selecting the appropriate loader for each file.
 */
export default class LoaderManager {
    /**
     * Loader descriptions per description name.
     */
    private readonly descriptions;
    /**
     * The loaders for each extension.
     */
    private readonly extensionsLoaders;
    /**
     * The file types, ordered from most precise to least.
     */
    readonly availableTypes: ReadonlyArray<string>;
    /**
     * Create the loader manager.
     *
     * @param applicationName - The application name, used to name custom loaders.
     * @param customLoaders - The custom loaders which will be added/replace the provided ones.
     */
    constructor(applicationName: string, customLoaders: {
        [name: string]: LoaderDescription;
    });
    /**
     * Get the loader for the given file name.
     *
     * @param paths - The extra paths where modules are searched.
     * @param syncOnly - Do not use loaders if they cannot load synchronously.
     * @param fileName - The (base) name of the file to search.
     * @param extension - The extension of the file if already known.
     * @returns A generator of the most appropriate loader and its name, or undefined if none found.
     */
    getLoaders(paths: string[], syncOnly: boolean, fileName: string, extension?: string): Generator<[Loader, string], [Loader, string], void> | undefined;
    /**
     * Create an iterator over the loaders. Throws if no available iterator found.
     *
     * @param paths - The extra paths where modules are searched.
     * @param syncOnly - Do not use loaders if they cannot load synchronously.
     * @param matching - The loaders matching the given file name.
     * @returns The most appropriate loader and its name.
     */
    private createLoaders;
}