assertEquals(0, circuitBreaker.getFailureCount(), "Failure count should be reset");
    }

    @Test
    public void testCustomFailureDetection() throws CIFSException {
        // Create a fresh circuit breaker for this test to avoid state pollution
        SmbCircuitBreaker customCb = new SmbCircuitBreaker("custom-test", 3, 2, 1000, 3);

        try {

    @Mock
    private Credentials creds;
    @Mock
    private Address address;
    @Mock
    private SmbNegotiationResponse negotiationResponse;

    @BeforeEach
    void setUp() {
        // Create a fresh pool instance for each test
        pool = new SmbTransportPoolImpl();

        // Setup default mock behaviors
        when(ctx.getConfig()).thenReturn(config);
        when(ctx.getNameServiceClient()).thenReturn(nameSvc);

#
#   Important: because the container is persistent, you cannot change TFCI
#   variables in between script executions. To forcibly remove the
#   container and start fresh, run "docker rm -f tf". Removing the container
#   destroys some temporary bazel data and causes longer builds.
#
#   You will need the NVIDIA Container Toolkit for GPU testing:

        assertEquals(0, stats.getIpsBlocked());
        assertEquals(0, stats.getActiveAccounts());
        assertEquals(0, stats.getActiveIps());

        // Should be able to start fresh
        for (int i = 0; i < 3; i++) {
            assertTrue(rateLimiter.checkAttempt(username, ip));
            rateLimiter.recordFailure(username, ip);
        }
    }

    @Test

import java.util.concurrent.atomic.AtomicInteger;
import java.util.regex.Pattern;
import org.jspecify.annotations.NullUnmarked;
import org.jspecify.annotations.Nullable;

/**
 * Generates fresh instances of types that are different from each other (if possible).
 *
 * @author Ben Yu
 */
@GwtIncompatible
@J2ktIncompatible
@NullUnmarked
@SuppressWarnings("nullness")
class FreshValueGenerator {

And if you update that local FastAPI source code when you run that Python file again, it will use the fresh version of FastAPI you just edited.

That way, you don't have to "install" your local version to be able to test every change.

/// note | Technical Details

## Configuration Directory

      assertWithMessage("Expected to return non-null for: %s", mutableClass)
          .that(instance)
          .isNotNull();
      assertWithMessage("Expected to return fresh instance for: " + mutableClass)
          .that(ArbitraryInstances.get(mutableClass))
          .isNotSameInstanceAs(instance);
    }
  }

  private enum EmptyEnum {}

  private enum Direction {

### Multi destination replication

 * Immutable empty instances are returned for collection types; {@code ""} for string; {@code 0} for
 * number types; reasonable default instance for other stateless types. For mutable types, a fresh
 * instance is created each time {@code get()} is called.
 *
 * @author Kevin Bourrillion
 * @author Ben Yu
 * @since 12.0
 */
@GwtIncompatible
@J2ktIncompatible
@NullMarked