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";
    ClassLoader loader = cls.getClassLoader();

  @CanIgnoreReturnValue
  public final StringBuilder appendTo(StringBuilder builder, Iterator<?> parts) {
    try {
      appendTo((Appendable) builder, parts);
    } catch (IOException impossible) {
      throw new AssertionError(impossible);
    }
    return builder;
  }

  /**
   * Appends the string representation of each of {@code parts}, using the previously configured

      while (true) {
        val event = takeEvent()
        if (eventClass.isInstance(event)) {
          return eventClass.cast(event)
        }
      }
    } catch (e: NoSuchElementException) {
      throw AssertionError("full event sequence: $fullEventSequence", e)
    }
  }

  inline fun <reified T : CallEvent> removeUpToEvent(): T = removeUpToEvent(T::class.java)

    public void close() throws IOException {
      closed = true;
      if (throwOnClose != null) {
        throwIfInstanceOf(throwOnClose, IOException.class);
        throwIfUnchecked(throwOnClose);
        throw new AssertionError(throwOnClose);
      }
    }
  }

    try {
      in.copyTo(out);
      fail();
    } catch (IOException expected) {
      return expected.getSuppressed().length;
    }
    throw new AssertionError(); // can't happen
  }

  private static CharSource newNormalCharSource() {
    return CharSource.wrap("ABC");
  }

  private static CharSink newNormalCharSink() {
    return new CharSink() {

    public void close() throws IOException {
      closed = true;
      if (throwOnClose != null) {
        throwIfInstanceOf(throwOnClose, IOException.class);
        throwIfUnchecked(throwOnClose);
        throw new AssertionError(throwOnClose);
      }
    }
  }

      BYTE_ARRAY_BASE_OFFSET = theUnsafe.arrayBaseOffset(byte[].class);

      // sanity check - this should never fail
      if (theUnsafe.arrayIndexScale(byte[].class) != 1) {
        throw new AssertionError();
      }
    }
  }

  /**
   * Fallback implementation for when VarHandle and Unsafe are not available in our current
   * environment.
   */

        arrayOf<KeyManager>(keyManager),
        arrayOf<TrustManager>(trustManager),
        SecureRandom(),
      )
      sslContext.socketFactory
    } catch (e: GeneralSecurityException) {
      throw AssertionError(e)
    }
  }

    @Override
    protected void startUp() {
      startUpCalled = true;
      throw new UnsupportedOperationException("kaboom!");
    }

    @Override
    protected void run() {
      throw new AssertionError("run() should not be called");
    }

    @Override
    protected Executor executor() {
      return exceptionCatchingExecutor;
    }
  }

  public void testServiceThrowOnRun() throws Exception {

    try {
      in.copyTo(out);
      fail();
    } catch (IOException expected) {
      return expected.getSuppressed().length;
    }
    throw new AssertionError(); // can't happen
  }

  private static CharSource newNormalCharSource() {
    return CharSource.wrap("ABC");
  }

  private static CharSink newNormalCharSink() {
    return new CharSink() {