module Domain:Datatype.Make(sigtypet =VarUsage.Occur.t VarUsage.Omap.tinclude Datatype.Serializable_undefinedval reprs :'a VarUsage.Omap.t listval name :stringend)
include Datatype.S_no_copy
val copy : Datatype.t -> Datatype.tx and copy x.