contactBuilder.prototype().email().set( "jackdoe@someplace.com" );
contactBuilder.prototype().phone().set( "555-1234" );
builder.prototype().contacts().get().add( contactBuilder.newInstance() );
jackDoe.contacts().set( builder.newInstance() );
annDoe.husband().set( jackDoe );
PetEntity rex = uow.newEntity( PetEntity.class );
setName( rex, "Rex" );
rex.changeOwner( jackDoe );
rex.updateDescription( "Rex is a great dog" );