y="true"
                            nullConfigurationDefinitionMessage="null config def!"
                            nullConfigurationMessage="null config!"
                            nullConfigurationStyle="InfoBlock"/>
                </h:panelGroup>
                <h:panelGroup id="noParameters"
                              rendered="#{selectedHistory.parameters eq null or empty selectedHistory.parameters.map}">
                    <i>This operation does not take any parameters.</i>
                