code: function getCommentLineNumbers(comments) {
      const map = new Map();
  
      if (!comments) {
          return map;
      }
      comments.forEach(comment => {
          for (let i = comment.loc.start.line; i <= comment.loc.end.line; i++) {
              map.set(i, comment);
          }
      });
      return map;
  }
docs: Given a list of comment nodes, return a map with numeric keys (source code line numbers) and comment token values.
  @param {Array} comments An array of comment nodes.
  @returns {Map.<string,Node>} A map with numeric keys (source code line numbers) and comment token values.