* {@code void}, {@code null} is returned.
   */
  @SuppressWarnings("unchecked")
  public static <T> @Nullable T defaultValue(Class<T> type) {
    checkNotNull(type);
    if (type.isPrimitive()) {
      if (type == boolean.class) {
        return (T) Boolean.FALSE;
      } else if (type == char.class) {
        return (T) Character.valueOf('\0');
      } else if (type == byte.class) {

  }

  /**
   * Returns an immutable set of all nine primitive types (including {@code void}). Note that a
   * simpler way to test whether a {@code Class} instance is a member of this set is to call {@link
   * Class#isPrimitive}.
   *
   * @since 3.0
   */
  public static Set<Class<?>> allPrimitiveTypes() {
    return PRIMITIVE_TO_WRAPPER_TYPE.keySet();
  }

  /**

   * {@code void}, {@code null} is returned.
   */
  @SuppressWarnings("unchecked")
  public static <T> @Nullable T defaultValue(Class<T> type) {
    checkNotNull(type);
    if (type.isPrimitive()) {
      if (type == boolean.class) {
        return (T) Boolean.FALSE;
      } else if (type == char.class) {
        return (T) Character.valueOf('\0');
      } else if (type == byte.class) {

        // Bounds after the first can only be interfaces.
        if (componentType instanceof Class) {
          Class<?> componentClass = (Class<?>) componentType;
          if (componentClass.isPrimitive()) {
            return componentClass;
          }
        }
        return subtypeOf(componentType);
      }
    }
    return null;
  }

        }

        private boolean isQualifiedForInterpolation(Field field, Class<?> fieldType) {
            if (!PRIMITIVE_BY_CLASS.containsKey(fieldType)) {
                PRIMITIVE_BY_CLASS.put(fieldType, fieldType.isPrimitive());
            }

            if (PRIMITIVE_BY_CLASS.get(fieldType)) {
                return false;
            }

            return !"parent".equals(field.getName());
        }

        return new String(buf);
    }

    @SuppressWarnings("unchecked")
    @Override
    public <T> T convertIfNeed(final Object arg) {
        if (propertyType.isPrimitive()) {
            return (T) convertPrimitiveWrapper(arg);
        } else if (Number.class.isAssignableFrom(propertyType)) {
            return (T) convertNumber(arg);

        assertArgumentNotNull("toClass", toClass);
        assertArgumentNotNull("fromClass", fromClass);

        if (toClass == Object.class && !fromClass.isPrimitive()) {
            return true;
        }
        if (toClass.isPrimitive()) {
            fromClass = getPrimitiveClassIfWrapper(fromClass);
        }
        return toClass.isAssignableFrom(fromClass);
    }

    /**

        // Bounds after the first can only be interfaces.
        if (componentType instanceof Class) {
          Class<?> componentClass = (Class<?>) componentType;
          if (componentClass.isPrimitive()) {
            return componentClass;
          }
        }
        return subtypeOf(componentType);
      }
    }
    return null;
  }

                  + "Subscriber methods must have exactly 1 parameter.",
              method,
              parameterTypes.length);

          checkArgument(
              !parameterTypes[0].isPrimitive(),
              "@Subscribe method %s's parameter is %s. "
                  + "Subscriber methods cannot accept primitives. "
                  + "Consider changing the parameter to %s.",
              method,

     * @return {@literal true} if the argument was converted to match the type
     */
    protected static boolean adjustNumber(final Class<?>[] paramTypes, final Object[] args, final int index) {
        if (paramTypes[index].isPrimitive()) {
            if (paramTypes[index] == byte.class) {
                args[index] = ByteConversionUtil.toByte(args[index]);
                return true;
            } else if (paramTypes[index] == short.class) {