* invocations to {@code handler}. The class loader of {@code interfaceType} will be used to
   * define the proxy class. To implement multiple interfaces or specify a class loader, use {@link
   * Proxy#newProxyInstance}.
   *
   * @throws IllegalArgumentException if {@code interfaceType} does not specify the type of a Java
   *     interface
   */
  public static <T> T newProxy(Class<T> interfaceType, InvocationHandler handler) {

  /**
   * Adds a single occurrence of the specified element to this multiset.
   *
   * <p>This method refines {@link Collection#add}, which only <i>ensures</i> the presence of the
   * element, to further specify that a successful call must always increment the count of the
   * element, and the overall size of the collection, by one.
   *
   * <p>To both add the element and obtain the previous count of that element, use {@link

import junit.framework.Test;
import junit.framework.TestSuite;

/**
 * Generates a test suite covering the {@link Queue} implementations in the {@link java.util}
 * package. Can be subclassed to specify tests that should be suppressed.
 *
 * @author Jared Levy
 */
@GwtIncompatible
public class TestsForQueuesInJavaUtil {
  public static Test suite() {
    return new TestsForQueuesInJavaUtil().allTests();
  }

  public static <E> QueueTestSuiteBuilder<E> using(TestQueueGenerator<E> generator) {
    return new QueueTestSuiteBuilder<E>().usingGenerator(generator);
  }

  private boolean runCollectionTests = true;

  /**
   * Specify whether to skip the general collection tests. Call this method when testing a
   * collection that's both a queue and a list, to avoid running the common collection tests twice.
   * By default, collection tests do run.
   */

   * depend on the element values, such as a {@link SortedSet}, or on the insertion ordering, such
   * as a {@link LinkedHashSet}. All list tests and sorted-collection tests automatically specify
   * this feature.
   */
  KNOWN_ORDER,

  /**
   * Indicates that a collection has a different {@link Object#toString} representation than most

  public static <E> QueueTestSuiteBuilder<E> using(TestQueueGenerator<E> generator) {
    return new QueueTestSuiteBuilder<E>().usingGenerator(generator);
  }

  private boolean runCollectionTests = true;

  /**
   * Specify whether to skip the general collection tests. Call this method when testing a
   * collection that's both a queue and a list, to avoid running the common collection tests twice.
   * By default, collection tests do run.
   */

          || (c >= 'A' && c <= 'Z')
          || "+*/-".indexOf(c) >= 0) {
        assertUnescaped(e, c);
      } else {
        assertEscaping(e, escapeAscii(c), c);
      }
    }
  }

  /** Tests that if specify '%' as safe the result is an idempotent escaper. */
  public void testCustomEscaper_withpercent() {
    UnicodeEscaper e = new PercentEscaper("%", false);
    assertEquals("foo%7Cbar", e.escape("foo|bar"));

   *       servers {@code alpha}, {@code bravo}, and {@code charlie} and you occasionally need to
   *       take each of the servers offline, {@code consistentHash} will be a poor fit: It provides
   *       no way for you to specify which of the three buckets is disappearing. Thus, if your
   *       buckets change from {@code [alpha, bravo, charlie]} to {@code [bravo, charlie]}, it will

import org.checkerframework.checker.nullness.qual.Nullable;

/**
 * Basic implementation of {@code Multiset<E>} backed by an instance of {@code Map<E, Count>}.
 *
 * <p>For serialization to work, the subclass must specify explicit {@code readObject} and {@code
 * writeObject} methods.
 *
 * @author Kevin Bourrillion
 */
@GwtCompatible(emulated = true)
@ElementTypesAreNonnullByDefault

import junit.framework.Test;
import junit.framework.TestSuite;

/**
 * Generates a test suite covering the {@link Set} implementations in the {@link java.util} package.
 * Can be subclassed to specify tests that should be suppressed.
 *
 * @author Kevin Bourrillion
 */
@GwtIncompatible
public class TestsForSetsInJavaUtil {
  public static Test suite() {
    return new TestsForSetsInJavaUtil().allTests();
  }