= "ocaml_augeas_mv"
external set : t -> path -> value option -> unit
= "ocaml_augeas_set"
+external setm : t -> path -> string option -> value option -> int
+ = "ocaml_augeas_setm"
external transform : t -> string -> string -> transform_mode -> unit
= "ocaml_augeas_transform"
external source : t -> path -> path option