code: def get_authorizations_by_genus_type(self, authorization_genus_type):
          
          # Implemented from template for
          # osid.resource.ResourceLookupSession.get_resources_by_genus_type
          # NOTE: This implementation currently ignores plenary view
          collection = JSONClientValidated('authorization',
                                           collection='Authorization',
                                           runtime=self._runtime)
          result = collection.find(
              dict({'genusTypeId': str(authorization_genus_type)},
                   **self._view_filter())).sort('_id', DESCENDING)
          return objects.AuthorizationList(result, runtime=self._runtime, proxy=self._proxy)
docs: Gets an ``AuthorizationList`` corresponding to the given authorization genus ``Type`` which does not include authorizations of genus types derived from the specified ``Type``.
  
          In plenary mode, the returned list contains all known
          authorizations or an error results. Otherwise, the returned list
          may contain only those authorizations that are accessible
          through this session.
  
          arg:    authorization_genus_type (osid.type.Type): an
                  authorization genus type
          return: (osid.authorization.AuthorizationList) - the returned
                  ``Authorization`` list
          raise:  NullArgument - ``authorization_genus_type`` is ``null``
          raise:  OperationFailed - unable to complete request
          raise:  PermissionDenied - authorization failure occurred
          *compliance: mandatory -- This method must be implemented.*