Parameter param = params.get(i);
      Object arg = args.get(i);
      // Use new fresh value generator because 'args' were populated with new fresh generator each.
      // Two newFreshValueGenerator() instances should normally generate equal value sequence.
      Object shouldBeEqualArg = generateDummyArg(param, newFreshValueGenerator());
      if (arg != shouldBeEqualArg
          && Objects.equal(arg, shouldBeEqualArg)

  static <C, E extends @Nullable Object, R extends Iterable<E>>
      BiPredicate<C, C> pairwiseOnResultOf(Function<C, R> arg) {
    Equivalence<C> equivalence = Equivalence.equals().<E>pairwise().onResultOf(arg);
    return equivalence::equivalent;
  }

      return isSubtype(arg);
    }

    @TestSubtype(suppressGetSupertype = true, suppressGetSubtype = true)
    public UseList<? extends List<Enum<? extends Enum<?>>>>
        wildcardBoundHasImplicitBoundAtsInvariantPosition(UseList<? extends List<Enum<?>>> arg) {
      return isSubtype(arg);
    }

    "staticOneArgNullableCorrectlyThrowsOtherThanNPE",
    "staticOneArgNullableThrowsNPE",
  };
  private static final String[] STATIC_ONE_ARG_METHODS_SHOULD_FAIL = {
    "staticOneArgThrowsOtherThanNpe", "staticOneArgShouldThrowNpeButDoesnt",
  };
  private static final String[] NONSTATIC_ONE_ARG_METHODS_SHOULD_PASS = {
    "oneArgCorrectlyThrowsNpe",
    "oneArgCheckForNullCorrectlyDoesNotThrowNPE",

        }
        return (T) arg;
    }

    private Object convertPrimitiveWrapper(final Object arg) {
        return NumberConversionUtil.convertPrimitiveWrapper(propertyType, arg);
    }

    private Object convertNumber(final Object arg) {
        return NumberConversionUtil.convertNumber(propertyType, arg);
    }

    private Object convertDate(final Object arg) {
        if (propertyType == java.util.Date.class) {

            typeMetaData.setName(extractName(classOrInterfaceType));
            classOrInterfaceType.getTypeArguments().ifPresent(typeArguments -> {
                typeArguments.forEach(arg -> typeMetaData.addTypeArg(extractTypeName(arg)));
            });
        });
    }

    private void findAnnotations(NodeWithAnnotations<?> node, AbstractLanguageElement currentElement) {

         */
        public int add2(final int arg1, final int arg2) {
            return arg1 + arg2;
        }

        /**
         * @param arg
         * @return Integer
         */
        public Integer echo(final Integer arg) {
            return arg;
        }

        /**
         *
         */
        public void throwException() {
            throw new IllegalStateException("hoge");

   * contains any match for the given regular expression pattern. The test used is equivalent to
   * {@code Pattern.compile(pattern).matcher(arg).find()}
   *
   * @throws IllegalArgumentException if the pattern is invalid
   * @since 3.0
   */
  @GwtIncompatible // Only used by other GWT-incompatible code.

      return isSubtype(arg);
    }

    @TestSubtype(suppressGetSupertype = true, suppressGetSubtype = true)
    public UseList<? extends List<Enum<? extends Enum<?>>>>
        wildcardBoundHasImplicitBoundAtsInvariantPosition(UseList<? extends List<Enum<?>>> arg) {
      return isSubtype(arg);
    }

      Parameter param = params.get(i);
      Object arg = args.get(i);
      // Use new fresh value generator because 'args' were populated with new fresh generator each.
      // Two newFreshValueGenerator() instances should normally generate equal value sequence.
      Object shouldBeEqualArg = generateDummyArg(param, newFreshValueGenerator());
      if (arg != shouldBeEqualArg
          && Objects.equal(arg, shouldBeEqualArg)