lue="Actions"/>
                            </rich:column>
                        </rich:columnGroup>
                    </f:facet>

                    <rich:columnGroup
                            styleClass="#{operationAction.getHistoriesTableRowStyleClass(operationHistory)}">

                        <rich:column styleClass="operationTimeColumn">
                            <h:outputText value="#{operationHistory.createdTime}">
                                <s:convertDateTime type="both" pattern="MM