code: function processMethodOutTag(tag, typeMarkdown) {
      var md = "";
      if (tag.type) {
          md += applyMarkdown(tag.type, settings.get(typeMarkdown)) + " ";
      }
      md += tag.comment;
      return md;
  }
docs: Process either a return or throws tag.
  @param tag the tag
  @param {String} typeMarkdown the markdown identifier to associate with the type of the tag if present
  @return {String} the markdown for the tag
  @private