If the `DeclarativeValidation` feature gate is enabled, mismatches with existing validation are reported via metrics.

      this.delegate = checkNotNull(delegate);
    }

    @Override
    @ParametricNullness
    // We set the field only once (during construction or deserialization).
    @SuppressWarnings("SynchronizeOnNonFinalField")
    public T get() {
      // A 2-field variant of Double Checked Locking.
      if (!initialized) {
        synchronized (lock) {
          if (!initialized) {

    }

    @Test
    public void test_execute_withInvalidQuery() {
        try {
            QueryContext context = new QueryContext("test", false);
            Query invalidQuery = new TermQuery(new Term("field", "value"));
            queryCommand.execute(context, invalidQuery, 1.0f);
            fail();
        } catch (InvalidQueryException e) {
            // expected
            assertTrue(e.getMessage().contains("Unknown q:"));

 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package com.google.common.xml;

import static java.lang.annotation.ElementType.FIELD;
import static java.lang.annotation.ElementType.METHOD;
import static java.lang.annotation.ElementType.PARAMETER;
import static java.lang.annotation.RetentionPolicy.CLASS;

import com.google.common.annotations.GwtCompatible;

import java.util.List;
import java.util.Map;
import java.util.Objects;
import java.util.stream.Collectors;

/**
 * Generates the release highlights notes, for changelog files that contain the <code>highlight</code> field.
 */
public class ReleaseHighlightsGenerator {
    static void update(File templateFile, File outputFile, List<ChangelogEntry> entries) throws IOException {
        try (FileWriter output = new FileWriter(outputFile)) {

@ReflectionSupport(value = ReflectionSupport.Level.FULL)
// Some Android 5.0.x Samsung devices have bugs in JDK reflection APIs that cause
// getDeclaredField to throw a NoSuchFieldException when the field is definitely there.
// Since this class only needs CAS on one field, we can avoid this bug by extending AtomicReference
// instead of using an AtomicReferenceFieldUpdater. This reference stores Thread instances

- **Security:**
Java serialization poses security risks, especially related to deserialization vulnerabilities.

- **Version Compatibility:**
With Java serialization, even minor changes to a class (like adding a field) can break compatibility.

- **Cross-Language Compatibility:**

    @Required
    @Size(max = 100)
    public String name;

    /**
     * The password for the user.
     */
    @Size(max = 100)
    public String password;

    /**
     * The password confirmation field.
     */
    @Size(max = 100)
    public String confirmPassword;

    /**
     * The attributes map for the user.
     */
    public Map<String, String> attributes = new HashMap<>();

    /**

 */
abstract class AbstractBuildScanInfoCollectingService : BuildService<AbstractBuildScanInfoCollectingService.Params>, OperationCompletionListener {
    /**
     * To be compatible with configuration cache, this field must be Serializable.
     */
    abstract val collectedInformation: Serializable

    interface Params : BuildServiceParameters {
        val monitoredTaskPaths: SetProperty<String>
    }

    void forceJdk() {
      requireNonNull(impl); // see the comment on the field
      this.impl = new JdkBackedSetBuilderImpl<>(impl);
    }

    final void copyIfNecessary() {
      if (forceCopy) {
        copy();
        forceCopy = false;
      }
    }

    void copy() {
      requireNonNull(impl); // see the comment on the field
      impl = impl.copy();
    }

    @Override