module Std:sig
..end
module File_tail: File_tail
module File_writer: File_writer
module Lock_file: Lock_file
module Log: Log
module Persistent_singleton: Persistent_singleton
module Rpc: Rpc
module Tcp: Tcp
module Tcp_file: Tcp_file
module Typed_tcp: Typed_tcp
module Unpack_sequence: Unpack_sequence
module Versioned_rpc: Versioned_rpc
module Versioned_typed_tcp: Versioned_typed_tcp
module Weak_hashtbl: Weak_hashtbl