docs: public synchronized PerformanceMonitor createPerformanceMonitor(
              String name) {
          PerformanceMonitorBean performanceMonitor =
                  findPerformanceMonitorBean(name);
  
          if (performanceMonitor == null) {
              performanceMonitor = new PerformanceMonitorBean();
  
              if (mBeanExportOperations != null) {
                  ObjectName objectName;
  
                  try {
                      objectName = new ObjectName(
                              "org.fishwife.jrugged.spring:type=" +
                                      "PerformanceMonitorBean,name=" + name);
                  }
                  catch (MalformedObjectNameException e) {
                      throw new IllegalArgumentException(
                              "Invalid MBean Name " + name, e);
  
                  }
  
                  mBeanExportOperations.registerManagedResource(
                          performanceMonitor, objectName);
              }
              addPerformanceMonitorToMap(name, performanceMonitor);
          }
  
          return performanceMonitor;
      }