import { Readable, Writable } from 'stream';

interface IfsFileMetadata {
    exists: boolean;
    length: number;
}
interface Ifs {
    createReadStream: (fileName: string | Promise<string>) => Readable;
    createWriteStream: (fileName: string | Promise<string>, options?: {
        append: boolean;
        ccsid?: number;
    }) => Writable;
    listFiles: (folderName: string) => Promise<string[]>;
    moveFile: (fileName: string, newFileName: string) => Promise<boolean>;
    deleteFile: (fileName: string) => Promise<boolean>;
    fileMetadata: (fileName: string) => Promise<IfsFileMetadata>;
}

export type { Ifs, IfsFileMetadata };