code: function addDocletBemEntity(e) {
      var bemEntity = e.code.bemEntity;
      e.doclet.block = bemEntity.block;
      if (bemEntity.base) {
          e.doclet.baseBlock = bemEntity.base;
      }
      if (bemEntity.mod) {
          e.doclet.mod = {
              name: bemEntity.mod,
              value: bemEntity.val
          };
      }
  }
docs: Adds bem entity description to a doclet.
  This method is called after doclet has
  been constructed but before it sent to template.
  Its required, because automatically inserted
  `@block`, `@elem` and `@mod` keys does not
  contain names.
  @param {Object} e symbolFound event, generated from
  `astNodeVisitor`. At this stage should already have
  doclet property, which contains parsed docs.