/**
   * Registers a TearDown implementor which will be run after the test proper.
   *
   * <p>In JUnit4 language, that means as an {@code @After}.
   *
   * <p>In JUnit3 language, that means during the {@link junit.framework.TestCase#tearDown()} step.
   */
  void addTearDown(TearDown tearDown);

  /**
   * Registers a TearDown implementor which will be run after the test proper.
   *
   * <p>In JUnit4 language, that means as an {@code @After}.
   *
   * <p>In JUnit3 language, that means during the {@link junit.framework.TestCase#tearDown()} step.
   */
  void addTearDown(TearDown tearDown);

import org.jspecify.annotations.NullUnmarked;

/** Class containing an unannotated Java method for use from {@code OptionalExtensionsTest}. */
@NullUnmarked
final class UnannotatedJavaClass {
  // The Checker Framework assumes that unannotated types are non-null instead of unspecified.
  @SuppressWarnings("nullness:return.type.incompatible")
  static Object getNull() {
    return null;
  }

  private UnannotatedJavaClass() {}

 * limitations under the License.
 */

package com.google.common.escape;

import static com.google.common.truth.Truth.assertThat;

import junit.framework.TestCase;
import org.jspecify.annotations.NullUnmarked;

@NullUnmarked
public class CharEscaperBuilderTest extends TestCase {

  public void testAddEscapes() {
    char[] cs = {'a', 'b', 'c'};

 * limitations under the License.
 */

package com.google.common.util.concurrent;

import static com.google.common.truth.Truth.assertThat;

import com.google.common.annotations.GwtCompatible;
import junit.framework.TestCase;
import org.jspecify.annotations.NullUnmarked;

/**
 * Unit tests for {@link Runnables}.
 *
 * @author Olivier Pernet
 */
@GwtCompatible
@NullUnmarked

 * governing permissions and limitations under the License.
 */
package org.codelibs.core.text;

import java.text.DecimalFormatSymbols;
import java.util.Locale;

import junit.framework.TestCase;

/**
 * @author higa
 *
 */
public class DecimalFormatSymbolsUtilTest extends TestCase {

    /**
     * @throws Exception
     */

 * either express or implied. See the License for the specific language
 * governing permissions and limitations under the License.
 */
package org.codelibs.core.text;

import java.util.Locale;

import junit.framework.TestCase;

/**
 * @author higa
 *
 */
public class DecimalFormatUtilTest extends TestCase {

    /**
     * @throws Exception
     */
    public void testNormalize() throws Exception {

 * either express or implied. See the License for the specific language
 * governing permissions and limitations under the License.
 */
package org.codelibs.core.log;

/**
 * Adapter for using any logging framework.
 *
 * @author koichik
 */
interface LoggerAdapter {

    boolean isFatalEnabled();

    void fatal(String message);

    void fatal(String message, Throwable t);

    boolean isErrorEnabled();

import java.util.HashSet;
import java.util.Iterator;
import java.util.LinkedHashSet;
import java.util.List;
import java.util.Map.Entry;
import java.util.Set;
import junit.framework.Test;
import junit.framework.TestCase;
import junit.framework.TestSuite;
import org.jspecify.annotations.NullMarked;
import org.jspecify.annotations.Nullable;

/**
 * Unit tests for {@code LinkedHashMultimap}.
 *
 * @author Jared Levy
 */

import java.util.List;
import java.util.concurrent.ConcurrentMap;
import java.util.concurrent.ConcurrentSkipListMap;
import java.util.concurrent.atomic.AtomicInteger;
import junit.framework.Test;
import junit.framework.TestCase;
import junit.framework.TestSuite;
import org.jspecify.annotations.NullUnmarked;

/**
 * Test case for {@link ConcurrentHashMultiset}.
 *
 * @author Cliff L. Biffle
 * @author mike nonemacher
 */