*       {@code cls}, no test is performed.
   *   <li>Equality test is not performed on method return values unless the method is a non-private
   *       static factory method whose return type is {@code cls} or {@code cls}'s subtype.
   *   <li>Inequality check is not performed against state mutation methods such as {@link
   *       List#add}, or functional update methods such as {@link

    for (int i = 0; i < methods.length; i++) {
      try {
        methods[i] = type.getMethod(methods[i].getName(), methods[i].getParameterTypes());
      } catch (Exception e) {
        throwIfUnchecked(e);
        throw new RuntimeException(e);
      }
    }
    return methods;
  }

  private static <T> void testSuccessfulForwarding(

    for (int i = 0; i < methods.length; i++) {
      try {
        methods[i] = type.getMethod(methods[i].getName(), methods[i].getParameterTypes());
      } catch (Exception e) {
        throwIfUnchecked(e);
        throw new RuntimeException(e);
      }
    }
    return methods;
  }

  private static <T> void testSuccessfulForwarding(

  }

  @Override
  protected Collection<Method> suppressForConcurrentSkipListMap() {
    List<Method> methods = new ArrayList<>();
    methods.addAll(super.suppressForConcurrentSkipListMap());
    methods.add(getContainsEntryWithIncomparableKeyMethod());
    methods.add(getContainsEntryWithIncomparableValueMethod());
    return methods;
  }

  @Override
  protected Collection<Method> suppressForHashtable() {

 * provided {@code standardPutAll} method.
 *
 * <p><b>{@code default} method warning:</b> This class does <i>not</i> forward calls to {@code
 * default} methods. Instead, it inherits their default implementations. When those implementations
 * invoke methods, they invoke methods on the {@code ForwardingSortedMap}.
 *
 * <p>Each of the {@code standard} methods, where appropriate, use the comparator of the map to test

 * implementation, or delegating to the provided {@code standardAdd} method.
 *
 * <p><b>{@code default} method warning:</b> This class does <i>not</i> forward calls to {@code
 * default} methods. Instead, it inherits their default implementations. When those implementations
 * invoke methods, they invoke methods on the {@code ForwardingMultiset}.
 *
 * <p>The {@code standard} methods and any collection views they return are not guaranteed to be

 * provided {@code standardAddAll} method.
 *
 * <p><b>{@code default} method warning:</b> This class does <i>not</i> forward calls to {@code
 * default} methods. Instead, it inherits their default implementations. When those implementations
 * invoke methods, they invoke methods on the {@code ForwardingSet}.
 *
 * <p>The {@code standard} methods are not guaranteed to be thread-safe, even when all of the

 * provided {@code standardPutAll} method.
 *
 * <p><b>{@code default} method warning:</b> This class does <i>not</i> forward calls to {@code
 * default} methods. Instead, it inherits their default implementations. When those implementations
 * invoke methods, they invoke methods on the {@code ForwardingSortedMap}.
 *
 * <p>Each of the {@code standard} methods, where appropriate, use the comparator of the map to test

 * provided {@code standardOffer} method.
 *
 * <p><b>{@code default} method warning:</b> This class does <i>not</i> forward calls to {@code
 * default} methods. Instead, it inherits their default implementations. When those implementations
 * invoke methods, they invoke methods on the {@code ForwardingQueue}.
 *
 * <p>The {@code standard} methods are not guaranteed to be thread-safe, even when all of the

   *   <li>If the constructor or factory method used to construct instance takes a parameter that
   *       {@link AbstractPackageSanityTests} doesn't know how to construct, the test will fail.
   *   <li>If there is no visible constructor or visible static factory method declared by {@code
   *       C}, instance methods are skipped for nulls test.