l properties for use 
 by the persistence provider (may be null if no properties
 are specified).  These properties may include properties to
 control schema generation.
 If a Bean Validation provider is present in the classpath,
 the container must pass the <code>ValidatorFactory</code> instance in
 the map with the key <code>"javax.persistence.validation.factory"</code>.
 If the containing archive is a bean archive, the container
 must pass the BeanManager instance in the map with the key
 <code>"javax.pe