def new_with_uuid(klass, uuid)
      if klass.is_a?(String)
        klass = Object.const_get(klass)
      end
      object = klass.new(self, uuid)
      object.initialize_defaults
      object
    end
def new_with_uuid(klass, uuid)
      if klass.is_a?(String)
        klass = Object.const_get(klass)
      end
      object = klass.new(self, uuid)
      object.initialize_defaults
      object
    end
Creates a new object with given UUID.

 @param [String] uuid UUID of the object.