val initialize_development: string -> string -> development option
(* make target [default all] *)
val build_development: ?target:string -> development -> bool
+(* make target [default all], the refresh cb is called after every output *)
+val build_development_in_bg:
+ ?target:string -> (unit -> unit) -> development -> bool
(* make clean *)
val clean_development: development -> bool
+val clean_development_in_bg: (unit -> unit) -> development -> bool
(* return the development that handles dir *)
val development_for_dir: string -> development option
(* return the development *)