if (runtimeType instanceof TypeVariable) {
      // First bound is always the super class, if one exists.
      return boundAsSuperclass(((TypeVariable<?>) runtimeType).getBounds()[0]);
    }
    if (runtimeType instanceof WildcardType) {
      // wildcard has one and only one upper bound.
      return boundAsSuperclass(((WildcardType) runtimeType).getUpperBounds()[0]);
    }

    assertEquals(String.class, typeVariable.getBounds()[0]);
  }

  public void testWithRecursiveBoundInTypeVariable() throws Exception {
    TypeVariable<?> typeVariable =
        (TypeVariable<?>) new WithGenericBound<String>() {}.getTargetType("withRecursiveBound");
    assertEquals(Types.newParameterizedType(Enum.class, typeVariable), typeVariable.getBounds()[0]);
  }

    assertEquals(String.class, typeVariable.getBounds()[0]);
  }

  public void testWithRecursiveBoundInTypeVariable() throws Exception {
    TypeVariable<?> typeVariable =
        (TypeVariable<?>) new WithGenericBound<String>() {}.getTargetType("withRecursiveBound");
    assertEquals(Types.newParameterizedType(Enum.class, typeVariable), typeVariable.getBounds()[0]);
  }

    if (!Types.NativeTypeVariableEquals.NATIVE_TYPE_VARIABLE_ONLY) {
      assertEquals(actual.toString(), expected.hashCode(), actual.hashCode());
    }
    assertThat(actual.getBounds())
        .asList()
        .containsExactlyElementsIn(asList(expected.getBounds()))
        .inOrder();
  }

  /**
   * Working with arrays requires defensive code. Verify that we clone the type array for both input
   * and output.
   */

    assertThat(typeArgs).hasLength(1);
    TypeVariable<?> captured = (TypeVariable<?>) typeArgs[0];
    assertThat(captured.getBounds()).asList().contains(Number.class);
    assertThat(captured.getBounds())
        .asList()
        .containsNoneOf(Object.class, new TypeToken<Iterable<Number>>() {}.getType());

    assertThat(typeArgs).hasLength(1);
    TypeVariable<?> captured = (TypeVariable<?>) typeArgs[0];
    assertThat(captured.getBounds()).asList().contains(Number.class);
    assertThat(captured.getBounds())
        .asList()
        .containsNoneOf(Object.class, new TypeToken<Iterable<Number>>() {}.getType());