sig
val env : csh:bool -> sexp:bool -> fish:bool -> unit
val list : OpamTypes.name list -> unit
val variable : OpamTypes.full_variable -> unit
val includes : is_rec:bool -> OpamTypes.name list -> unit
val config : OpamTypes.config -> unit
val subst : OpamTypes.basename list -> unit
val setup :
OpamTypes.user_config option -> OpamTypes.global_config option -> unit
val setup_list : OpamTypes.shell -> OpamTypes.filename -> unit
val exec : string -> unit
end