import { Archive } from './archive';
import { FileData } from './file-data';
import { type FilestoreChannels } from './data';
/**
 * String representations of numeric index ids.
 */
export type IndexId = 'configs' | 'sprites' | 'music' | 'jingles' | 'sounds' | 'binary' | 'widgets' | 'regions' | 'models' | 'textures' | 'scripts' | 'frames' | 'skeletons';
/**
 * A map of unique index keys to numeric ids.
 */
export declare const indexIdMap: {
    [key: string]: number;
};
/**
 * Finds the corresponding string index key for the given numeric id.
 * @param index The numeric index id to find the name of.
 */
export declare const getIndexId: (index: number) => IndexId;
export declare class FileIndex {
    /**
     * The ID of this File Index.
     */
    readonly indexId: number;
    /**
     * The file format used by the File Index.
     */
    format: number;
    /**
     * The current version of the File Index, if versioned.
     */
    version: number;
    /**
     * The method used by the File Index for data compression.
     */
    compression: number;
    /**
     * Additional settings and information about the File Index (name & whirlpool information).
     */
    settings: number;
    /**
     * A map of all files housed within this File Index. Values are either an `Archive` or `FileData` object.
     */
    files: Map<number, Archive | FileData>;
    private readonly filestoreChannels;
    /**
     * Creates a new File Index with the specified index ID and filestore channel.
     * @param indexId The ID of this File Index.
     * @param filestoreChannels The main filestore channel for data access.
     */
    constructor(indexId: number, filestoreChannels: FilestoreChannels);
    /**
     * Fetches a single file from this index.
     * @param fileId The ID of the file to fetch.
     * @returns The requested FileData object, or null if no matching file was found.
     */
    getFile(fileId: number): FileData | null;
    /**
     * Fetches a single file from this index.
     * @param fileName The name of the file to fetch.
     * @returns The requested FileData object, or null if no matching file was found.
     */
    getFile(fileName: string): FileData | null;
    /**
     * Fetches a single file from this index.
     * @param fileIdOrName The ID or name of the file to fetch.
     * @param keys The XTEA keys.
     * @returns The requested FileData object, or null if no matching file was found.
     */
    getFile(fileIdOrName: number | string, keys?: number[]): FileData | null;
    /**
     * Fetches an archive from this index.
     * @param archiveId The ID of the archive to fetch.
     * @returns The requested Archive object, or null if no Archive was found.
     */
    getArchive(archiveId: number): Archive | null;
    /**
     * Fetches an archive from this index.
     * @param archiveName The name of the archive to fetch.
     * @returns The requested Archive object, or null if no Archive was found.
     */
    getArchive(archiveName: string): Archive | null;
    /**
     * Fetches an archive from this index.
     * @param archiveIdOrName The ID or name of the archive to fetch.
     * @returns The requested Archive object, or null if no Archive was found.
     */
    getArchive(archiveIdOrName: number | string): Archive | null;
    /**
     * Fetches an archive or file from this index by name.
     * @param fileName The name of the archive or file to search for.
     * @returns An Archive or FileData object, or null if no matching files were found with the specified name.
     */
    findByName(fileName: string): Archive | FileData | null;
    /**
     * Decodes the packed index file data from the filestore on disk.
     */
    decodeIndex(): void;
}