Count of active and pending proxies managed by each instance.
        Pending is expected to converge to zero.
      |||
      ),
    ]),
  ], panelHeight=8)
)

        return new VisitableURLClassLoader.Spec("test", urls)
    }

    def classLoaderStructure() {
        return new HierarchicalClassLoaderStructure(filteringClassloaderSpec())
                .withChild(visitableUrlClassloaderSpec())
    }

    def flatClassLoaderStructure() {
        return new FlatClassLoaderStructure(visitableUrlClassloaderSpec())
    }

        |||
      ),
      panels.timeSeries.simple(
        'Injection', queries.injectionWebhook, |||
          Size of each xDS push.
        |||
      ),
    ]),
  ],  startY=100)
)