def __init__(self, object_type=None, attributes=None):
super(ObjectDefaults, self).__init__(tag=enums.Tags.OBJECT_DEFAULTS)<EOL>self._object_type = None<EOL>self._attributes = None<EOL>self.object_type = object_type<EOL>self.attributes = attributes<EOL>
Construct an ObjectDefaults structure.

Args:
    object_type (enum): An ObjectType enumeration identifying the type
        to which the defaults pertain. Optional, defaults to None.
        Required for read/write.
    attributes (structure): An Attributes structure containing
        attribute values that are defaults for an object type.
        Optional, defaults to None. Required for read/write.