} else if (parameterType.equals(Byte.TYPE)) {
                    methodKey.append("java.lang.Byte");
                } else if (parameterType.equals(Character.TYPE)) {
                    methodKey.append("java.lang.Character");
                } else if (parameterType.equals(Double.TYPE)) {
                    methodKey.append("java.lang.Double");
                } else if (parameterType.equals(Float.TYPE)) {

    static WildcardType getWildcardType(String methodName) throws Exception {
      ParameterizedType parameterType =
          (ParameterizedType)
              WithWildcardType.class.getDeclaredMethod(methodName, List.class)
                  .getGenericParameterTypes()[0];
      return (WildcardType) parameterType.getActualTypeArguments()[0];
    }
  }

  public void testNewWildcardType() throws Exception {

    static WildcardType getWildcardType(String methodName) throws Exception {
      ParameterizedType parameterType =
          (ParameterizedType)
              WithWildcardType.class.getDeclaredMethod(methodName, List.class)
                  .getGenericParameterTypes()[0];
      return (WildcardType) parameterType.getActualTypeArguments()[0];
    }
  }

  public void testNewWildcardType() throws Exception {

    assertThat(parameters).hasSize(1);
    TypeToken<?> parameterType = parameters.get(0).getType();
    assertEquals(List.class, parameterType.getRawType());
    assertFalse(
        parameterType.getType().toString(),
        parameterType.isSupertypeOf(new TypeToken<List<Integer>>() {}));
  }

    assertThat(parameters).hasSize(1);
    TypeToken<?> parameterType = parameters.get(0).getType();
    assertEquals(List.class, parameterType.getRawType());
    assertFalse(
        parameterType.getType().toString(),
        parameterType.isSupertypeOf(new TypeToken<List<Integer>>() {}));
  }