import ProgressBar from '../../console/progressBar.js';
import DAT from '../../types/dats/dat.js';
import FileFactory from '../../types/files/fileFactory.js';
import Options from '../../types/options.js';
import WriteCandidate from '../../types/writeCandidate.js';
import Module from '../module.js';
/**
 * Correct the extensions of output {@link File}s when:
 *  1. Not using any DATs (i.e. there's no correction already happening elsewhere)
 *  2. The DAT-supplied ROM name is falsey
 */
export default class CandidateExtensionCorrector extends Module {
    private static readonly THREAD_SEMAPHORE;
    private readonly options;
    private readonly fileFactory;
    constructor(options: Options, progressBar: ProgressBar, fileFactory: FileFactory);
    /**
     * Correct the file extensions.
     */
    correct(dat: DAT, candidates: WriteCandidate[]): Promise<WriteCandidate[]>;
    private romNeedsCorrecting;
    private correctExtensions;
    private buildCorrectedRom;
}