@Weak final Monitor monitor;
    final Condition condition;

    @GuardedBy("monitor.lock")
    int waiterCount = 0;

    /** The next active guard */
    @GuardedBy("monitor.lock")
    @CheckForNull
    Guard next;

    protected Guard(Monitor monitor) {
      this.monitor = checkNotNull(monitor, "monitor");
      this.condition = monitor.lock.newCondition();
    }

    /**

    @Weak final Monitor monitor;
    final Condition condition;

    @GuardedBy("monitor.lock")
    int waiterCount = 0;

    /** The next active guard */
    @GuardedBy("monitor.lock")
    @CheckForNull
    Guard next;

    protected Guard(Monitor monitor) {
      this.monitor = checkNotNull(monitor, "monitor");
      this.condition = monitor.lock.newCondition();
    }

    /**

			"grpc_server_handling_seconds": {},
		},
	}
)

// monitorGatherer is a custom metric gatherer for prometheus that exports custom metrics
// defined by this monitor as well as rewritten etcd metrics.
type monitorGatherer struct {
	exported map[string]*exportedMetric
}

// exportedMetric identifies a metric that is exported and defines how it is rewritten before

			logger.Info("QuotaMonitor created object count evaluator", "resource", resource.GroupResource())
		}

		// track the monitor
		current[resource] = &monitor{controller: c}
		added++
	}
	qm.monitors = current

	for _, monitor := range toRemove {
		if monitor.stopCh != nil {
			close(monitor.stopCh)
		}
	}

	logger.V(4).Info("quota synced monitors", "added", added, "kept", kept, "removed", len(toRemove))

      @Override
      protected void runTest() throws Throwable {
        Monitor monitor = new Monitor(fair);
        FlagGuard guard = new FlagGuard(monitor);
        Object[] arguments =
            (timed ? new Object[] {guard, 0L, TimeUnit.MILLISECONDS} : new Object[] {guard});
        try {
          method.invoke(monitor, arguments);
          fail("expected IllegalMonitorStateException");

  private static final class ServiceManagerState {
    final Monitor monitor = new Monitor();

    @GuardedBy("monitor")
    final SetMultimap<State, Service> servicesByState =
        MultimapBuilder.enumKeys(State.class).linkedHashSetValues().build();

    @GuardedBy("monitor")
    final Multiset<State> states = servicesByState.keys();

    @GuardedBy("monitor")

	gb.monitorLock.RLock()
	defer gb.monitorLock.RUnlock()

	var monitor *monitor
	if m, ok := gb.monitors[resource]; ok {
		monitor = m
	} else {
		for monitorGVR, m := range gb.monitors {
			if monitorGVR.Group == resource.Group && monitorGVR.Resource == resource.Resource {
				monitor = m
				break
			}
		}
	}

	if monitor == nil {

  private static final class ServiceManagerState {
    final Monitor monitor = new Monitor();

    @GuardedBy("monitor")
    final SetMultimap<State, Service> servicesByState =
        MultimapBuilder.enumKeys(State.class).linkedHashSetValues().build();

    @GuardedBy("monitor")
    final Multiset<State> states = servicesByState.keys();

    @GuardedBy("monitor")

        }
      }
    }
  }

  /** A guard that encapsulates a simple, mutable boolean flag. */
  static class FlagGuard extends Monitor.Guard {

    private boolean satisfied;

    protected FlagGuard(Monitor monitor) {
      super(monitor);
    }

    @Override
    public boolean isSatisfied() {
      return satisfied;
    }

    public void setSatisfied(boolean satisfied) {

import org.opensearch.monitor.jvm.JvmStats;
import org.opensearch.monitor.jvm.JvmStats.BufferPool;
import org.opensearch.monitor.jvm.JvmStats.Classes;
import org.opensearch.monitor.jvm.JvmStats.GarbageCollectors;
import org.opensearch.monitor.jvm.JvmStats.Mem;
import org.opensearch.monitor.jvm.JvmStats.Threads;
import org.opensearch.monitor.os.OsProbe;
import org.opensearch.monitor.os.OsStats;