module Node_child_process:sig
..end
type
option
val option : ?cwd:string -> ?encoding:string -> unit -> option
val execSync : string -> option -> string
type
spawnResult
val spawnSync : string -> spawnResult
val readAs : spawnResult ->
< pid : int; signal : string Js.null; status : int Js.null;
stderr : Node.string_buffer Js.null; stdout : Node.string_buffer Js.null >
Js.t