`object
method private cleanup : unit
method destroy : unit
method fake_io : Unix.file_descr -> unit
method iter : bool -> unit
method on_readable : Unix.file_descr -> (event -> unit) -> event
method on_timer : float -> bool -> (event -> unit) -> event
method on_writable : Unix.file_descr -> (event -> unit) -> event
method readable_count : int
method private register_readable :
Unix.file_descr -> (unit -> unit) -> unit Lazy.t
method private register_timer :
float -> bool -> (unit -> unit) -> unit Lazy.t
method private register_writable :
Unix.file_descr -> (unit -> unit) -> unit Lazy.t
method private virtual select :
Unix.file_descr list ->
Unix.file_descr list ->
float -> Unix.file_descr list * Unix.file_descr list
method timer_count : int
method transfer : abstract -> unit
method writable_count : int
end`