*/
    public <T> T call(Callable<T> callable, Callable<T> fallback) throws Exception {
        totalCalls.incrementAndGet();

        State currentState = evaluateState();

        if (currentState == State.OPEN) {
            rejectedCalls.incrementAndGet();
            if (fallback != null) {
                log.debug("Circuit breaker {} is open, using fallback", name);

                    if (shouldRelease) {
                        session.release();
                        releaseCount.incrementAndGet();
                    } else {
                        session.acquire();
                        acquireCount.incrementAndGet();
                    }

                } catch (Exception e) {
                    // Ignore expected exceptions from over-release

        void recordConnection() {
            connectionsCreated.incrementAndGet();
            lastActivityTime = System.currentTimeMillis();
        }

        void recordSuccess() {
            successCount.incrementAndGet();
            lastActivityTime = System.currentTimeMillis();
        }

        void recordFailure() {
            failureCount.incrementAndGet();
            lastActivityTime = System.currentTimeMillis();

        String resourceId = generateResourceId(resource);
        ResourceHolder holder = new ResourceHolder(resourceId, resource, referenceQueue);

        activeResources.put(resourceId, holder);
        totalAllocated.incrementAndGet();

        log.trace("Registered resource: {} ({})", resourceId, resource.getClass().getSimpleName());

        return resourceId;
    }

    /**
     * Mark a resource as closed
     *

          @Override
          public Object load(Object key) {
            loadCount.incrementAndGet();
            return new Object();
          }

          @Override
          public ListenableFuture<Object> reload(Object key, Object oldValue) {
            reloadCount.incrementAndGet();
            return immediateFuture(new Object());
          }

          @Override

        AtomicInteger counter1 = new AtomicInteger(0);
        AtomicInteger counter2 = new AtomicInteger(0);

        executor1.addShutdownListener(() -> counter1.incrementAndGet());
        executor2.addShutdownListener(() -> counter2.incrementAndGet());

        executor1.shutdown();
        assertEquals(1, counter1.get());
        assertEquals(0, counter2.get());

        executor2.shutdown();

                // Do nothing
            }

            @Override
            public void stop() {
                stopCallCount.incrementAndGet();
            }
        };

        // Execute stop multiple times
        dataStore.stop();
        dataStore.stop();
        dataStore.stop();

        assertEquals(3, stopCallCount.get());

                            // Test connection pool operations without actually connecting
                            boolean contains = pool.contains(null); // Should handle gracefully
                            successCount.incrementAndGet();
                        } catch (Exception e) {
                            synchronized (exceptions) {
                                exceptions.add(e);
                            }
                        }

  }

  public void testBasics() {
    AtomicInteger totalCalls = new AtomicInteger();
    Runnable intCounter =
        new Runnable() {
          @Override
          public void run() {
            totalCalls.incrementAndGet();
            // Make sure that no other tasks are scheduled to run while this is running.
            assertFalse(fakePool.hasNext());
          }
        };

    assertFalse(fakePool.hasNext());

        requestsSent.incrementAndGet();
    }

    /**
     * Increment requests received counter
     */
    public void incrementRequestsReceived() {
        requestsReceived.incrementAndGet();
    }

    /**
     * Increment error counter
     */
    public void incrementErrors() {
        errors.incrementAndGet();
    }

    /**