# Functions
This registers all the validators of this package.
# Structs
AbstractPolicyRule defines an ODRL abstract policy rule.
Agreement is an ODRL agreement.
Constraint is an ODRL constraint.
Duty is an ODRL duty.
MessageOffer is an ODRL MessageOffer.
Offer is an ODRL offer.
Permission is a permisson entry.
PolicyClass is an ODRL PolicyClass.
Reference is a reference.