this.isArray = field.getType().isArray();
            }

            @Override
            void doInterpolate(Object target, InterpolateObjectAction ctx) throws IllegalAccessException {
                Object value = field.get(target);
                if (value != null) {
                    if (isArray) {
                        evaluateArray(value, ctx);
                    } else {

    /**
     *
     */
    @Test
    public void testIsArray() {
        assertFalse(ArrayUtil.isArray(null));
        assertFalse(ArrayUtil.isArray("hoge"));
        assertTrue(ArrayUtil.isArray(new Object[] {}));
        assertTrue(ArrayUtil.isArray(new Object[] { "" }));
        assertTrue(ArrayUtil.isArray(new Object[] { "aaa" }));
    }

    /**
     *
     */
    @Test

        private void traverseObjectWithParents(Class<?> cls, Object target) throws ModelInterpolationException {
            if (cls == null) {
                return;
            }

            if (cls.isArray()) {
                evaluateArray(target);
            } else if (isQualifiedForInterpolation(cls)) {
                Field[] fields = FIELDS_BY_CLASS.computeIfAbsent(cls, k -> cls.getDeclaredFields());

     *            the object
     * @return {@literal true} if the object is an array; {@literal false} if the object is {@literal null}
     */
    public static boolean isArray(final Object object) {
        return object != null && object.getClass().isArray();
    }

    /**
     * Returns {@literal true} if the object is not an array. Returns {@literal true} if the object is {@literal null}.
     *
     * @param object

    delegate.visibleParameterAnnotations?.map { it.hasNullableAnnotation() }.let { parametersNullability ->
        val parameterTypesBinaryNames = visitedSignature?.parameters?.map { if (it.isArray) "${it.typeArguments.single().binaryName}[]" else it.binaryName }
            ?: Type.getArgumentTypes(delegate.desc).map { it.className }
        parameterTypesBinaryNames.mapIndexed { idx, parameterTypeBinaryName ->

      } else if (value instanceof Map) {
        return ((Map<?, ?>) value).isEmpty();
      } else if (value instanceof Optional) {
        return !((Optional) value).isPresent();
      } else if (value.getClass().isArray()) {
        return Array.getLength(value) == 0;
      }
      return false;
    }

    /**
     * Returns a string in the format specified by {@link MoreObjects#toStringHelper(Object)}.
     *

        return !((OptionalDouble) value).isPresent();
      } else if (value instanceof Optional) {
        return !((Optional) value).isPresent();
      } else if (value.getClass().isArray()) {
        return Array.getLength(value) == 0;
      }
      return false;
    }

    /**
     * Returns a string in the format specified by {@link MoreObjects#toStringHelper(Object)}.
     *

		return true
	}
	return false
}

// IsMissing - checks if value is missing.
func (v Value) IsMissing() bool {
	_, ok := v.value.(Missing)
	return ok
}

// IsArray returns whether the value is an array.
func (v Value) IsArray() (ok bool) {
	_, ok = v.value.([]Value)
	return ok
}

func (v Value) isNumeric() bool {
	//nolint:gocritic
	switch v.value.(type) {
	case int64, float64:

            throws IntrospectionException {
        try {
            int index = Integer.parseInt(indexStr);

            if (value.getClass().isArray()) {
                return Array.get(value, index);
            }

            if (value instanceof List list) {
                return list.get(index);
            }

                oldValues = ((Collection<?>) oldValue).toArray();
            } else {
                oldValues = new Object[] { oldValue };
            }
            if (value.getClass().isArray()) {
                // Handle both Object[] and primitive arrays safely
                final int newLength = Array.getLength(value);
                final Object[] values = Arrays.copyOf(oldValues, oldValues.length + newLength);