return when {
      request.body?.isDuplex() == true -> throw ProtocolException(
        "Duplex connections are not supported for HTTP/1",
      )
      request.isChunked -> newChunkedSink() // Stream a request body of unknown length.
      contentLength != -1L -> newKnownLengthSink() // Stream a request body of a known length.
      else -> // Stream a request body of a known length.
        throw IllegalStateException(

                        if ( this.lmHash.length == 0 && this.ntHash.length == 0 ) {
                            throw new RuntimeException("Null setup prohibited.");
                        }
                    }
                    else if ( tc.getConfig().isDisablePlainTextPasswords() ) {
                        throw new RuntimeException("Plain text passwords are disabled");
                    }
                    else {

        "Map.merge(absent, value, function) should return value",
        v3(),
        getMap()
            .merge(
                k3(),
                v3(),
                (oldV, newV) -> {
                  throw new AssertionFailedError(
                      "Should not call merge function if key was absent");
                }));
    expectAdded(e3());
  }

  @MapFeature.Require({SUPPORTS_PUT, ALLOWS_NULL_VALUES})

                        file = new File(targetFile, paths[i] + "_" + j);
                        if (!file.exists()) {
                            if (!file.mkdirs()) {
                                throw new CrawlerSystemException("Could not create " + file.getAbsolutePath());
                            }
                            break;
                        }
                        if (file.isDirectory()) {

  /**
   * Guaranteed to throw an exception and leave the underlying data unmodified.
   *
   * @throws UnsupportedOperationException always
   * @deprecated Unsupported operation.
   */
  @Deprecated
  @Override
  @DoNotCall("Always throws UnsupportedOperationException")
  public final void add(@ParametricNullness E e) {
    throw new UnsupportedOperationException();
  }

  /**

        if (StringUtil.isBlank(endpoint)) {
            throw new CrawlingAccessException("endpoint is blank.");
        }
        builder.endpoint(endpoint);
        final String accessKey = getInitParameter("accessKey", null, String.class);
        if (StringUtil.isBlank(accessKey)) {
            throw new CrawlingAccessException("accessKey is blank.");
        }

            throw new RuntimeException("Cycle building $className. Currently building $currentlyBuilding")
        }
        currentlyBuilding.addLast(className)
        try {
            ClassMetaData classMetaData = classMetaData.find(className)
            if (!classMetaData) {
                if (!className.contains('.internal.')) {

                final String servletPath = request.getServletPath();
                final String pathPrefix = ADMIN_SERVER + token;
                if (!servletPath.startsWith(pathPrefix)) {
                    throw new WebApiException(HttpServletResponse.SC_FORBIDDEN, "Invalid access token.");
                }
                final String path;
                final String value = servletPath.substring(pathPrefix.length());

                if ( targ.getMechanism() != null && !targ.getMechanism().equals(this.selectedMech) ) {
                    throw new SmbException("Server switched mechanism");
                }
            }
            inputToken = targ.getMechanismToken();
        }
        else {
            throw new SmbException("Invalid token");
        }

        new AbstractLoadingCache<Object, Object>() {
          @Override
          public Object get(Object key) throws ExecutionException {
            Object v = valueRef.get();
            if (v == null) {
              throw new ExecutionException(cause);
            }
            return v;
          }

          @Override
          public @Nullable Object getIfPresent(Object key) {
            return valueRef.get();
          }