assertThat(GenericsUtil.getActualClass(method.getGenericReturnType(), map), is(sameClass(Long.class)));

        method = Hoge.class.getMethod("array");
        assertThat(GenericsUtil.getActualClass(method.getGenericReturnType(), map), is(sameClass(String[].class)));

        method = Hoge.class.getMethod("list");
        assertThat(GenericsUtil.getActualClass(method.getGenericReturnType(), map), is(sameClass(List.class)));

        throws InvocationTargetException, IllegalAccessException {
      return method.invoke(receiver, args);
    }

    @Override
    Type getGenericReturnType() {
      return method.getGenericReturnType();
    }

    @Override
    Type[] getGenericParameterTypes() {
      return method.getGenericParameterTypes();
    }

    @Override

        Parameter param = params.get(i);
        if (!isNullable(param)) {
          checkNotNull(args[i]);
        }
      }
      return dummyReturnValue(interfaceType.resolveType(method.getGenericReturnType()));
    }

    @Override
    public int hashCode() {
      return identity().hashCode();
    }

    @Override
    public boolean equals(@Nullable Object obj) {

     */
    public static Class<?> getElementTypeOfCollectionFromReturnType(final Method method) {
        assertArgumentNotNull("method", method);

        final Type returnType = method.getGenericReturnType();
        return GenericsUtil.getRawClass(GenericsUtil.getElementTypeOfCollection(returnType));
    }

    /**
     * Returns the key type of the parameterized map declared as the method's argument type.

  }

  private @Nullable Method method = null;

  /** Call this in a {@link TestSubtype} public method asserting subtype relationship. */
  final <T> T isSubtype(T sub) {
    Type returnType = method.getGenericReturnType();
    Type paramType = getOnlyParameterType();
    TestSubtype spec = method.getAnnotation(TestSubtype.class);
    assertWithMessage("%s is subtype of %s", paramType, returnType)

        Parameter param = params.get(i);
        if (!isNullable(param)) {
          checkNotNull(args[i]);
        }
      }
      return dummyReturnValue(interfaceType.resolveType(method.getGenericReturnType()));
    }

    @Override
    public int hashCode() {
      return identity().hashCode();
    }

    @Override
    public boolean equals(@Nullable Object obj) {

     * @return the generic type class, or null if not found
     */
    public static Type getGenericParameter(final java.lang.reflect.Method method, final int index) {
        return getGenericParameter(method.getGenericReturnType(), index);
    }

    /**
     * Returns the generic type of the specified method for the given index, or the default class if not found.
     *
     * @param method the method to analyze

  public void testResolveType() throws Exception {
    Method getFromList = List.class.getMethod("get", int.class);
    TypeToken<?> returnType =
        new TypeToken<List<String>>() {}.resolveType(getFromList.getGenericReturnType());
    assertEquals(String.class, returnType.getType());
  }

  public <F extends Enum<F> & Function<String, Integer> & Iterable<Long>>
      void testResolveType_fromTypeVariable() {

  public void testResolveType() throws Exception {
    Method getFromList = List.class.getMethod("get", int.class);
    TypeToken<?> returnType =
        new TypeToken<List<String>>() {}.resolveType(getFromList.getGenericReturnType());
    assertEquals(String.class, returnType.getType());
  }

  public <F extends Enum<F> & Function<String, Integer> & Iterable<Long>>
      void testResolveType_fromTypeVariable() {