Node_processmodule Js_OO := Js_OOtype t =
  Js.t({. argv: array(string)
    , arch: string
    , abort: Js_OO.Meth.arity0(unit)
    , chdir: Js_OO.Meth.arity1((string => unit))
    , cwd: Js_OO.Meth.arity0(string)
    , disconnect: Js_OO.Meth.arity0(unit)
    , platform: string
    , env: Js_dict.t(string)});let process: t;let uptime: t => unit => float;The process.uptime() method returns the number of seconds the current Node.js process has been running.)