@utilities.arguments_not_none<EOL><INDENT>def get_agents_by_record_type(self, agent_record_type):<DEDENT>
<EOL>return objects.AgentList([])<EOL>
Gets an ``AgentList`` containing the given agent record ``Type``.

        In plenary mode, the returned list contains all known agents or
        an error results. Otherwise, the returned list may contain only
        those agents that are accessible through this session.

        arg:    agent_record_type (osid.type.Type): an agent record type
        return: (osid.authentication.AgentList) - the returned ``Agent``
                list
        raise:  NullArgument - ``agent_record_type`` is ``null``
        raise:  OperationFailed - unable to complete request
        raise:  PermissionDenied - authorization failure
        *compliance: mandatory -- This method must be implemented.*