@Override
  public final Class<? super T> getDeclaringClass() {
    return (Class<? super T>) member.getDeclaringClass();
  }

  /** Returns the type of {@code T}. */
  // Overridden in TypeToken#method() and TypeToken#constructor()
  @SuppressWarnings("unchecked") // The declaring class is T.
  public TypeToken<T> getOwnerType() {
    return (TypeToken<T>) TypeToken.of(getDeclaringClass());
  }

   * For the given Enum value {@code rank}, returns the value's {@code "EnumClass.name"}, which is
   * used in exception and warning output.
   */
  private static String getLockName(Enum<?> rank) {
    return rank.getDeclaringClass().getSimpleName() + "." + rank.name();
  }

  /**
   * A {@code CycleDetectingLockFactory.WithExplicitOrdering} provides the additional enforcement of

            throw new IllegalAccessRuntimeException(field.getDeclaringClass(), e);
        } catch (final IllegalArgumentException e) {
            final Class<?> clazz = field.getDeclaringClass();
            final Class<?> fieldClass = field.getType();
            final Class<?> valueClass = value == null ? null : value.getClass();
            final Class<?> targetClass = target == null ? field.getDeclaringClass() : target.getClass();

        }
    }

    private static boolean nullabilityOf(CtField field) {
        NullableFieldVisitor visitor = new NullableFieldVisitor(field.getName())
        new ClassReader(byteCodeFrom(field.getDeclaringClass())).accept(visitor, 0)
        return visitor.nullable
    }

    static class NullableFieldVisitor extends ClassVisitor {

        boolean nullable = false
        private final String fieldName

   * UnsupportedOperationException} whenever <i>any</i> of its non-nullable parameters are null.
   */
  public void testConstructor(Constructor<?> ctor) {
    Class<?> declaringClass = ctor.getDeclaringClass();
    checkArgument(
        Modifier.isStatic(declaringClass.getModifiers())
            || declaringClass.getEnclosingClass() == null,
        "Cannot test constructor of non-static inner class: %s",

   * UnsupportedOperationException} whenever <i>any</i> of its non-nullable parameters are null.
   */
  public void testConstructor(Constructor<?> ctor) {
    Class<?> declaringClass = ctor.getDeclaringClass();
    checkArgument(
        Modifier.isStatic(declaringClass.getModifiers())
            || declaringClass.getEnclosingClass() == null,
        "Cannot test constructor of non-static inner class: %s",

            if (t instanceof Error) {
                throw (Error) t;
            }
            throw new InvocationTargetRuntimeException(method.getDeclaringClass(), ex);
        } catch (final IllegalAccessException ex) {
            throw new IllegalAccessRuntimeException(method.getDeclaringClass(), ex);
        }
    }

    /**

    private boolean isExceptPrivateAccessible(Method method) {
        // to avoid warning of JDK-internal access at Java11
        // Lasta Di does not need private access to the classes
        final String fqcn = method.getDeclaringClass().getName();
        return fqcn.startsWith("java.") || fqcn.startsWith("jdk.") || fqcn.startsWith("com.sun.") || fqcn.startsWith("sun.");
    }

    @Override
    public Field getField() {

      throws ConflictingRequirementsException {
    TesterRequirements clonedClassRequirements =
        new TesterRequirements(getTesterRequirements(testerMethod.getDeclaringClass()));
    TesterRequirements declaredRequirements = buildDeclaredTesterRequirements(testerMethod);
    return incorporateRequirements(clonedClassRequirements, declaredRequirements, testerMethod);
  }

  /**

      Invokable<A, A> invokable = Invokable.from(constructor);
      assertThat(invokable.getName()).isEqualTo(constructor.getName());
      assertEquals(A.class, invokable.getDeclaringClass());
      return invokable;
    }

    static Invokable<?, Object> method(String name, Class<?>... parameterTypes) throws Exception {
      Invokable<?, Object> invokable =