* one of the predefined {@link Policies} or specify a custom implementation. Implementations must
   * be thread-safe.
   *
   * @since 13.0
   */
  public interface Policy {

    /**
     * Called when a potential deadlock is encountered. Implementations can throw the given {@code
     * exception} and/or execute other desired logic.
     *

// Package clause provides the clause interface and common clause implementations for GORM.
package clause

// Interface clause interface
type Interface interface {
	Name() string
	Build(Builder)
	MergeClause(*Clause)
}

// ClauseBuilder clause builder, allows to customize how to build clause
type ClauseBuilder func(Clause, Builder)

type Writer interface {
	WriteByte(byte) error
	WriteString(string) (int, error)
}

import java.util.concurrent.ExecutionException;
import java.util.concurrent.ExecutorService;
import org.jspecify.annotations.NullUnmarked;
import org.jspecify.annotations.Nullable;

/**
 * Used to test listenable future implementations.
 *
 * @author Sven Mawson
 */
@NullUnmarked
@GwtIncompatible
@J2ktIncompatible
public class ListenableFutureTester {

  private final ExecutorService exec;
  private final ListenableFuture<?> future;

        EmptySearchLogEvent emptyEvent = new EmptySearchLogEvent();
        assertEquals("", emptyEvent.getEventType());
    }

    // Test multiple implementations
    @Test
    public void test_multipleImplementations() {
        // Create different implementations
        SearchLogEvent event1 = new TestSearchLogEvent("id1", 1L, "type1");
        SearchLogEvent event2 = new NullSearchLogEvent();

import java.util.concurrent.ExecutionException;
import java.util.concurrent.ExecutorService;
import org.jspecify.annotations.NullUnmarked;
import org.jspecify.annotations.Nullable;

/**
 * Used to test listenable future implementations.
 *
 * @author Sven Mawson
 */
@NullUnmarked
@GwtIncompatible
@J2ktIncompatible
public class ListenableFutureTester {

  private final ExecutorService exec;
  private final ListenableFuture<?> future;

import java.io.IOException;
import java.io.StringReader;
import java.io.Writer;
import java.util.EnumSet;
import org.jspecify.annotations.NullUnmarked;

/**
 * Tests for the default implementations of {@code CharSink} methods.
 *
 * @author Colin Decker
 */
@NullUnmarked
public class CharSinkTest extends IoTestCase {

  private static final String STRING = ASCII + I18N;

  private TestCharSink sink;

                    }
                    return new StandardImplForwardingMap<>(map);
                  }
                })
            .named("ForwardingMap[LinkedHashMap] with standard implementations")
            .withFeatures(
                CollectionSize.ANY,
                MapFeature.ALLOWS_NULL_VALUES,
                MapFeature.ALLOWS_NULL_KEYS,
                MapFeature.ALLOWS_ANY_NULL_QUERIES,

 */
@NullUnmarked
public class MessageDigestHashFunctionTest extends TestCase {
  private static final ImmutableSet<String> INPUTS = ImmutableSet.of("", "Z", "foobar");

  // From "How Provider Implementations Are Requested and Supplied" from
  // https://docs.oracle.com/en/java/javase/25/security/java-cryptography-architecture-jca-reference-guide.html#:~:text=How%20Provider%20Implementations%20Are%20Requested%20and%20Supplied

import java.io.IOException;
import java.io.StringReader;
import java.io.Writer;
import java.util.EnumSet;
import org.jspecify.annotations.NullUnmarked;

/**
 * Tests for the default implementations of {@code CharSink} methods.
 *
 * @author Colin Decker
 */
@NullUnmarked
public class CharSinkTest extends IoTestCase {

  private static final String STRING = ASCII + I18N;

  private TestCharSink sink;

        try {
            manager.process(null, null, null);
            assertTrue(manager.isProcessCalled());
        } catch (NullPointerException e) {
            // Expected for some implementations
        }
    }

    @Test
    public void test_process_withStatusCodeSetting() throws IOException, ServletException {
        // Test setting different status codes