code: function createBRNode(lineNumber, startIndex) {
      return {
          type: Syntax.Break,
          raw: "\n",
          range: [startIndex, startIndex + 1],
          loc: {
              start: {
                  line: lineNumber,
                  column: 0
              },
              end: {
                  line: lineNumber,
                  column: 1
              }
          }
      };
  }
docs: create BreakNode next to StrNode