@staticmethod
def get_subtype(object_dictionary):
    """
        Given the hash representation of a subtype of this class,
        use the info in the hash to return the class of the subtype.
        """
    type = object_dictionary['creationType']
    if type == 'NewDbSystem':
        return 'CreateDataGuardAssociationWithNewDbSystemDetails'
    if type == 'ExistingDbSystem':
        return 'CreateDataGuardAssociationToExistingDbSystemDetails'
    else:
        return 'CreateDataGuardAssociationDetails'
