code: public void submitContextAndTask(final String evaluatorConfiguration,
                                     final String contextConfiguration,
                                     final String taskConfiguration) {
      this.launchWithConfigurationString(evaluatorConfiguration, contextConfiguration,
          Optional.<String>empty(), Optional.of(taskConfiguration));
    }
docs: Submit Context and Task with configuration strings.
  This method should be called from bridge and the configuration strings are
  serialized at .Net side.
  @param evaluatorConfiguration
  @param contextConfiguration
  @param taskConfiguration