code: function equalLine(index1, index2) {
              return (
                  sourceCode.getLocFromIndex(index1).line ===
                  sourceCode.getLocFromIndex(index2).line
              )
          }
docs: Check whether the line numbers in the given indices are equal.
  @param  {number} index1 The index
  @param  {number} index2 The index
  @returns {boolean} `true` if the line numbers in the indices are equal.