except ImportError:  # pragma: no cover

    class EmailStr(str):  # type: ignore  # ty: ignore[unused-ignore-comment]
        @classmethod
        def __get_validators__(cls) -> Iterable[Callable[..., Any]]:
            yield cls.validate

        @classmethod
        def validate(cls, v: Any) -> str:
            logger.warning(
                "email-validator not installed, email fields will be treated as str.\n"

    assertThat(event.response).isNull()
    assertThat(event.t).isSameInstanceAs(t)
  }

  fun assertFailure(
    cls: Class<out IOException?>?,
    vararg messages: String,
  ) {
    val event = nextEvent() as Failure
    assertThat(event.response).isNull()
    assertThat(event.t.javaClass).isEqualTo(cls)
    if (messages.isNotEmpty()) {
      assertThat(messages).contains(event.t.message)
    }
  }

        Charset charset,
        TimeUnit unit,
        Class<?> cls,
        Joiner joiner,
        Pattern pattern,
        UnsignedInteger ui,
        UnsignedLong ul,
        StringBuilder sb,
        Predicate<?> pred,
        Function<?, ?> func,
        Object obj) {
      delegate.foo(
          s, r, n, it, b, eq, e, in, c, ord, charset, unit, cls, joiner, pattern, ui, ul, sb, pred,
          func, obj);
    }

    final Iterable<Method> getStaticMethods(Class<?> cls) {
      ImmutableList.Builder<Method> builder = ImmutableList.builder();
      for (Method method : getVisibleMethods(cls)) {
        if (Invokable.from(method).isStatic()) {
          builder.add(method);
        }
      }
      return builder.build();
    }

    final Iterable<Method> getInstanceMethods(Class<?> cls) {

        self.element = element

    @classmethod
    def fromstring(cls, root_name, data):
        """Initialize STSElement from name and XML string data.

        :param name: Name for XML data. Used in XML errors.
        :param data: string data to be parsed.
        :return: Returns an STSElement.
        """
        try:
            return cls(root_name, cElementTree.fromstring(data))
        except _ETREE_EXCEPTIONS as error:

      Iterable<ClassPath.ClassInfo> classes, Class<?> cls) {
    for (ClassPath.ClassInfo classInfo : classes) {
      if (classInfo.getName().equals(cls.getName())) {
        return classInfo;
      }
    }
    throw new AssertionError("failed to find " + cls);
  }

  private static ResourceInfo resourceInfo(Class<?> cls) {
    String resource = cls.getName().replace('.', '/') + ".class";

        Charset charset,
        TimeUnit unit,
        Class<?> cls,
        Joiner joiner,
        Pattern pattern,
        UnsignedInteger ui,
        UnsignedLong ul,
        StringBuilder sb,
        Predicate<?> pred,
        Function<?, ?> func,
        Object obj) {
      delegate.foo(
          s, r, n, it, b, eq, e, in, c, ord, charset, unit, cls, joiner, pattern, ui, ul, sb, pred,
          func, obj);
    }

  }

  private static void shouldFail(Class<?> cls, Visibility visibility) {
    try {
      new NullPointerTester().testStaticMethods(cls, visibility);
    } catch (AssertionError expected) {
      return;
    }
    fail("Should detect problem in " + cls.getSimpleName());
  }

  private static void shouldFail(Class<?> cls) {
    shouldFail(cls, Visibility.PACKAGE);
  }

                constituent.getClassifier(),
                constituent.getVersion());
    }

    private static String getId(String gid, String aid, String type, String cls, String ver) {
        return gid + ':' + aid + ':' + type + ((cls != null && !cls.isEmpty()) ? ':' + cls : "") + ':' + ver;
    }

    private void callDelegates(
            ClassRealm classRealm,
            RealmType type,
            ClassLoader parent,

    <dependencies>
      <dependency>
        <groupId>test</groupId>
        <artifactId>a</artifactId>
        <version>0.1</version>
        <scope>import</scope>
        <type>pom</type>
        <classifier>cls</classifier>
      </dependency>
    </dependencies>
  </dependencyManagement>