export interface Buffer {
    [index: number]: number;
    write(string: string, offset?: number, length?: number, encoding?: string): number;
    toString(encoding?: string, start?: number, end?: number): string;
    toJSON(): any;
    length: number;
    equals(otherBuffer: Buffer): boolean;
    compare(otherBuffer: Buffer): number;
    copy(targetBuffer: Buffer, targetStart?: number, sourceStart?: number, sourceEnd?: number): number;
    slice(start?: number, end?: number): Buffer;
    writeUIntLE(value: number, offset: number, byteLength: number, noAssert?: boolean): number;
    writeUIntBE(value: number, offset: number, byteLength: number, noAssert?: boolean): number;
    writeIntLE(value: number, offset: number, byteLength: number, noAssert?: boolean): number;
    writeIntBE(value: number, offset: number, byteLength: number, noAssert?: boolean): number;
    readUIntLE(offset: number, byteLength: number, noAssert?: boolean): number;
    readUIntBE(offset: number, byteLength: number, noAssert?: boolean): number;
    readIntLE(offset: number, byteLength: number, noAssert?: boolean): number;
    readIntBE(offset: number, byteLength: number, noAssert?: boolean): number;
    readUInt8(offset: number, noAsset?: boolean): number;
    readUInt16LE(offset: number, noAssert?: boolean): number;
    readUInt16BE(offset: number, noAssert?: boolean): number;
    readUInt32LE(offset: number, noAssert?: boolean): number;
    readUInt32BE(offset: number, noAssert?: boolean): number;
    readInt8(offset: number, noAssert?: boolean): number;
    readInt16LE(offset: number, noAssert?: boolean): number;
    readInt16BE(offset: number, noAssert?: boolean): number;
    readInt32LE(offset: number, noAssert?: boolean): number;
    readInt32BE(offset: number, noAssert?: boolean): number;
    readFloatLE(offset: number, noAssert?: boolean): number;
    readFloatBE(offset: number, noAssert?: boolean): number;
    readDoubleLE(offset: number, noAssert?: boolean): number;
    readDoubleBE(offset: number, noAssert?: boolean): number;
    writeUInt8(value: number, offset: number, noAssert?: boolean): number;
    writeUInt16LE(value: number, offset: number, noAssert?: boolean): number;
    writeUInt16BE(value: number, offset: number, noAssert?: boolean): number;
    writeUInt32LE(value: number, offset: number, noAssert?: boolean): number;
    writeUInt32BE(value: number, offset: number, noAssert?: boolean): number;
    writeInt8(value: number, offset: number, noAssert?: boolean): number;
    writeInt16LE(value: number, offset: number, noAssert?: boolean): number;
    writeInt16BE(value: number, offset: number, noAssert?: boolean): number;
    writeInt32LE(value: number, offset: number, noAssert?: boolean): number;
    writeInt32BE(value: number, offset: number, noAssert?: boolean): number;
    writeFloatLE(value: number, offset: number, noAssert?: boolean): number;
    writeFloatBE(value: number, offset: number, noAssert?: boolean): number;
    writeDoubleLE(value: number, offset: number, noAssert?: boolean): number;
    writeDoubleBE(value: number, offset: number, noAssert?: boolean): number;
    fill(value: any, offset?: number, end?: number): Buffer;
    indexOf(value: string | number | Buffer, byteOffset?: number): number;
}
export interface Stats {
    isFile(): boolean;
    isDirectory(): boolean;
    isBlockDevice(): boolean;
    isCharacterDevice(): boolean;
    isSymbolicLink(): boolean;
    isFIFO(): boolean;
    isSocket(): boolean;
    dev: number;
    ino: number;
    mode: number;
    nlink: number;
    uid: number;
    gid: number;
    rdev: number;
    size: number;
    blksize: number;
    blocks: number;
    atime: Date;
    mtime: Date;
    ctime: Date;
    birthtime: Date;
}
export interface WriteResult {
    written: number;
    buffer: Buffer;
}
export interface ReadResult {
    bytesRead: number;
    buffer: Buffer;
}
export declare function access(path: string, mode?: number): Promise<void>;
export declare function appendFile(filename: string, data: any, options?: {
    encoding?: string;
    mode?: number | string;
    flag?: string;
}): Promise<void>;
export declare function chmod(path: string, mode: number | string): Promise<void>;
export declare function chown(path: string, uid: number, gid: number): Promise<void>;
export declare function close(fd: number): Promise<void>;
export declare function fchmod(fd: number, mode: number | string): Promise<void>;
export declare function fchown(fd: number, uid: number, gid: number): Promise<void>;
export declare function fstat(fd: number): Promise<Stats>;
export declare function ftruncate(fd: number, len?: number): Promise<void>;
export declare function futimes(fd: number, atime: Date | number, mtime: Date | number): Promise<void>;
export declare function fsync(fd: number): Promise<void>;
export declare function lchmod(path: string, mode: number | string): Promise<void>;
export declare function lchown(path: string, uid: number, gid: number): Promise<void>;
export declare function link(srcpath: string, dstpath: string): Promise<void>;
export declare function lstat(path: string): Promise<Stats>;
export declare function mkdir(path: string, mode?: number | string): Promise<void>;
export declare function open(path: string, flags: string, mode?: number | string): Promise<number>;
export declare function read(fd: number, buffer: Buffer, offset: number, length: number, position: number): Promise<ReadResult>;
export declare function readdir(path: string): Promise<string[]>;
export declare function readFile(file: string | number, options?: Object | string): Promise<any>;
export declare function readlink(path: string): Promise<string>;
export declare function realpath(path: string, cache?: {
    [path: string]: string;
}): Promise<string>;
export declare function rename(oldPath: string, newPath: string): Promise<void>;
export declare function rmdir(path: string): Promise<void>;
export declare function stat(path: string): Promise<Stats>;
export declare function symlink(srcpath: string, dstpath: string, type?: string): Promise<void>;
export declare function truncate(path: string, len?: number): Promise<void>;
export declare function unlink(path: string): Promise<void>;
export declare function utimes(path: string, atime: Date | number, mtime: Date | number): Promise<void>;
export declare function write(fd: number, buffer: Buffer, offset: number, length: number, position?: number): Promise<WriteResult>;
export declare function writeFile(file: string | number, data: string | any, options: Object | string): Promise<void>;
export declare enum Encoding {
    ascii = 0,
    base64 = 1,
    binary = 2,
    hex = 3,
    ucs2 = 4,
    utf16le = 5,
    utf8 = 6,
}
export declare enum OpenFlags {
    read = 0,
    readWrite = 1,
    readSync = 2,
    readWriteSync = 3,
    write = 4,
    writeNoOverwrite = 5,
    create = 6,
    createNoOverwrite = 7,
    append = 8,
    appendNoOverwrite = 9,
    appendRead = 10,
    appendReadNoOverwrite = 11,
}
export declare function readTextFile(file: string | number, encoding?: Encoding | string, flags?: OpenFlags | string): Promise<string>;
export declare function writeTextFile(file: string | number, data: string, encoding?: Encoding | string, flags?: OpenFlags | string, mode?: string): Promise<void>;
export declare function del(path: string): Promise<void>;
export declare function exists(path: string): Promise<boolean>;