/**
     *
     */
    @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

      } 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)}.
     *

                oldValues = ((Collection<?>) oldValue).toArray();
            } else {
                oldValues = new Object[] { oldValue };
            }
            if (value.getClass().isArray()) {
                final Object[] newValues = (Object[]) value;
                final Object[] values = Arrays.copyOf(oldValues, oldValues.length + newValues.length);
                for (int i = 0; i < newValues.length; i++) {

                            }
                            result = result.replace("${" + nestedKey + "}", String.valueOf(nestedValue));
                        }
                    } else if (value != null && value.getClass().isArray()) {
                        // Handle array values
                        StringBuilder arrayStr = new StringBuilder();
                        if (value instanceof String[]) {

    }
    if (type.isEnum()) {
      T[] enumConstants = type.getEnumConstants();
      return (enumConstants == null || enumConstants.length == 0) ? null : enumConstants[0];
    }
    if (type.isArray()) {
      return createEmptyArray(type);
    }
    T jvmDefault = Defaults.defaultValue(Primitives.unwrap(type));
    if (jvmDefault != null) {
      return jvmDefault;
    }

      }

      @Override
      Type usedInGenericType(Type type) {
        checkNotNull(type);
        if (type instanceof Class) {
          Class<?> cls = (Class<?>) type;
          if (cls.isArray()) {
            return new GenericArrayTypeImpl(cls.getComponentType());
          }
        }
        return type;
      }
    },
    JAVA7 {
      @Override

    }
    if (type.isEnum()) {
      T[] enumConstants = type.getEnumConstants();
      return (enumConstants == null || enumConstants.length == 0) ? null : enumConstants[0];
    }
    if (type.isArray()) {
      return createEmptyArray(type);
    }
    T jvmDefault = Defaults.defaultValue(Primitives.unwrap(type));
    if (jvmDefault != null) {
      return jvmDefault;
    }