@abc.abstractmethod<EOL><INDENT>def get_parameter_configuration_session(self):<DEDENT>
return<EOL>
Gets a session for looking up mappings of parameters to configurations.

        :return: a ``ParameterConfigurationSession``
        :rtype: ``osid.configuration.ParameterConfigurationSession``
        :raise: ``OperationFailed`` -- unable to complete request
        :raise: ``Unimplemented`` -- ``supports_parameter_configuration()`` is ``false``

        *compliance: optional -- This method must be implemented if
        ``supports_parameter_configuration()`` is ``true``.*