function getCommentExpectedIndents(
    nextToken,
    nextExpectedIndent,
    lastExpectedIndent
  ) {
    if (typeof lastExpectedIndent === 'number' && isClosingToken(nextToken)) {
      if (nextExpectedIndent === lastExpectedIndent) {
        // For solo comment. E.g.,
        // <div>
        //    <!-- comment -->
        // </div>
        return [nextExpectedIndent + options.indentSize, nextExpectedIndent]
      }

      // For last comment. E.g.,
      // <div>
      //    <div></div>
      //    <!-- comment -->
      // </div>
      return [lastExpectedIndent, nextExpectedIndent]
    }

    // Adjust to next normally. E.g.,
    // <div>
    //    <!-- comment -->
    //    <div></div>
    // </div>
    return [nextExpectedIndent]
  }
Get the expected indent of comments.
@param {Token} nextToken The next token of comments.
@param {number} nextExpectedIndent The expected indent of the next token.
@param {number|undefined} lastExpectedIndent The expected indent of the last token.
@returns {[number, number?]}