val sentRequestMillis = System.currentTimeMillis()

    var invokeStartEvent = true
    var responseBuilder: Response.Builder? = null
    var sendRequestException: IOException? = null
    val hasRequestBody = HttpMethod.permitsRequestBody(request.method) && requestBody != null
    val isUpgradeRequest = "upgrade".equals(request.header("Connection"), ignoreCase = true)
    try {
      exchange.writeRequestHeaders(request)

            Model model, Profile profile, ModelBuildingRequest request, ModelProblemCollector problems) {
        if (profile != null) {
            merger.mergeModelBase(model, profile);

            if (profile.getBuild() != null) {
                if (model.getBuild() == null) {
                    model.setBuild(new Build());
                }
                merger.mergeBuildBase(model.getBuild(), profile.getBuild());

                qualifier = version;
                majorVersion = null;
                minorVersion = null;
                incrementalVersion = null;
                buildNumber = null;
            }
        }
    }

    private static boolean isDigits(String cs) {
        if (cs == null || cs.isEmpty()) {
            return false;
        }
        final int sz = cs.length();

        if (tf.getConfig().isDfsDisabled() || tf.getCredentials().getUserDomain() == null
                || tf.getCredentials().getUserDomain().isEmpty()) {
            return null;
        }

        if (this._domains != null && System.currentTimeMillis() > this._domains.expiration) {
            this._domains = null;
        }
        if (this._domains != null) {
            return this._domains.map;
        }
        try {

      queue[size] = null;
      return null;
    }
    E toTrickle = elementData(size);
    queue[size] = null;
    MoveDesc<E> changes = fillHole(index, toTrickle);
    if (lastElementAt < index) {
      // Last element is moved to before index, swapped with trickled element.
      if (changes == null) {
        // The trickled element is still after index.

     * @return This request, never {@code null}.
     */
    SettingsBuildingRequest setGlobalSettingsSource(SettingsSource globalSettingsSource);

    /**
     * Gets the project settings file.
     *
     * @return The project settings file or {@code null} if none.
     * @since 4.0.0
     */
    File getProjectSettingsFile();

    /**

        this.projectId = (project != null)
                ? project.getGroupId() + ':' + project.getArtifactId() + ':' + project.getVersion()
                : "";
        this.pomFile = (project != null) ? project.getFile() : null;
        this.project = project;
        this.problems = problems != null ? problems : Collections.emptyList();
        this.dependencyResolutionResult = dependencyResolutionResult;
    }

        doUpdate(entity, null);
    }

    public void insertOrUpdate(ScheduledJob entity) {
        doInsertOrUpdate(entity, null, null);
    }

    public void insertOrUpdate(ScheduledJob entity, RequestOptionCall<IndexRequestBuilder> opLambda) {
        entity.asDocMeta().indexOption(opLambda);
        doInsertOrUpdate(entity, null, null);
    }

            Element build = root.child("build").orElse(null);
            Element plugins = build.child("plugins").orElse(null);
            Element cleanPlugin = plugins.child("plugin").orElse(null);
            Element executions = cleanPlugin.child("executions").orElse(null);
            Element execution = executions.child("execution").orElse(null);
            Element phase = execution.child("phase").orElse(null);

     * @param element Configuration element name to unmarshal or {@code null} to unmarshal entire configuration.
     * @return This request for chaining, never {@code null}.
     */
    BeanConfigurationRequest setConfiguration(Object configuration, String element);

    /**
     * Returns configuration element name or {@code null}.
     *
     * @see #setConfiguration(Object, String)