pub fn accept(socket: ListenSocket) -> Result(
  Socket,
  SocketReason,
)

pub fn accept_timeout(socket: ListenSocket, timeout: Int) -> Result(
  Socket,
  SocketReason,
)

pub fn close(socket: a) -> Result(Nil, SocketReason)

pub fn controlling_process(socket: Socket, pid: Pid) -> Result(
  Nil,
  Atom,
)

pub fn do_shutdown(socket: Socket, write: Atom) -> Result(
  Nil,
  SocketReason,
)

pub fn handshake(socket: Socket) -> Result(Socket, Nil)

pub fn listen(port: Int, options: List(TcpOption)) -> Result(
  ListenSocket,
  SocketReason,
)

pub fn negotiated_protocol(socket: Socket) -> a

pub fn peername(socket: Socket) -> Result(
  #(#(Int, Int, Int, Int), Int),
  Nil,
)

pub fn receive(socket: Socket, length: Int) -> Result(
  BitString,
  SocketReason,
)

pub fn receive_timeout(socket: Socket, length: Int, timeout: Int) -> Result(
  BitString,
  SocketReason,
)

pub fn send(socket: Socket, packet: BitBuilder) -> Result(
  Nil,
  SocketReason,
)

pub fn set_opts(socket: Socket, opts: List(TcpOption)) -> Result(
  Nil,
  Nil,
)

pub fn shutdown(socket: Socket) -> Result(Nil, SocketReason)

pub fn socket_info(socket: Socket) -> Map(a, b)