IReadContract IReadContract.CopyTo(ContractCollection collection) => collection.Intern(this);
IWriteContract IWriteContract.CopyTo(ContractCollection collection) => collection.Intern(this);
IReadContract IReadContract.CopyTo(ContractCollection collection) => collection.Intern(this);
IWriteContract IWriteContract.CopyTo(ContractCollection collection) => collection.Intern(this);