import AdmZip from 'adm-zip';
import { GTFSFeedReaderBase } from './reader-base.js';
import type { GTFSFeedBase } from '../../feed/base';
import type { GTFSAsyncIterableFeed, GTFSIterableFeed } from '../../feed/iterable';
import type { GTFSLoadedFeed } from '../../feed/loaded';
import type { GTFSFileInfo } from '../../file-info';
import type { GTFSAsyncFileRecords, GTFSFileRecords } from '../../types';
/**
 * GTFS file object to read
 */
type GTFSFile = {
    /** File information */
    info: GTFSFileInfo;
    /** File path */
    path: string;
};
/**
 * Feed reader with file IO operations.
 */
declare abstract class GTFSFeedReaderFromFileBase<RecordsType extends GTFSFileRecords | GTFSAsyncFileRecords, FeedType extends GTFSFeedBase<RecordsType> | Promise<GTFSFeedBase<RecordsType>>> extends GTFSFeedReaderBase<RecordsType, FeedType> {
    /** Zip object */
    protected zip?: AdmZip;
    /** File objects */
    protected files?: GTFSFile[];
    /**
     * The constructor
     * @param Directory Path to directory
     */
    constructor(readPath: string);
    /**
     * Get records from an AdmZip entry.
     * @param info File information
     * @param entry Zip entry
     */
    protected abstract getRecordsFromZipEntry(info: GTFSFileInfo, entry: AdmZip.IZipEntry): RecordsType;
    /**
     * Get records from file path.
     * @param info File information
     * @param path File path
     */
    protected abstract getRecordsFromFilePath(info: GTFSFileInfo, path: string): RecordsType;
    getRecords(info: GTFSFileInfo): RecordsType | undefined;
}
/**
 * Synchronous Feed Reader from Local File
 */
export declare class GTFSFeedReader extends GTFSFeedReaderFromFileBase<GTFSFileRecords, GTFSIterableFeed> {
    /**
     * Generator of iterable chunks from a file path.
     * @param filePath File path
     * @returns Iterable file chunks
     */
    private static readFileChunks;
    protected getRecordsFromZipEntry(info: GTFSFileInfo, entry: AdmZip.IZipEntry): GTFSFileRecords;
    protected getRecordsFromFilePath(info: GTFSFileInfo, path: string): GTFSFileRecords;
    getFeed(): GTFSIterableFeed;
    loadFeed(): GTFSLoadedFeed;
}
/**
 * Asynchronous Feed Reader from Local File
 */
export declare class GTFSAsyncFeedReader extends GTFSFeedReaderFromFileBase<GTFSAsyncFileRecords, GTFSAsyncIterableFeed> {
    /**
     * Generator of iterable chunks from a file path.
     * @param filePath File path
     * @returns Iterable file chunks
     */
    private static readFileChunks;
    protected getRecordsFromZipEntry(info: GTFSFileInfo, entry: AdmZip.IZipEntry): GTFSAsyncFileRecords;
    protected getRecordsFromFilePath(info: GTFSFileInfo, path: string): GTFSAsyncFileRecords;
    getFeed(): GTFSAsyncIterableFeed;
    loadFeed(): Promise<GTFSLoadedFeed>;
}
export {};
//# sourceMappingURL=reader-fs.d.ts.map