/**
   * Convenience method for parsing and setting the desired default invocation mode.
   *
   * @param mode String shortcode for IBGInvocationMode
   */
  private void setDefaultInvocationMode(String mode) {
    IBGInvocationMode iMode = IBPlugin.parseInvocationMode(mode);

    if (iMode != null) {
      builder.setDefaultInvocationMode(iMode);
    }
  }