docs: public int skipComment() {
          char current = charAt(offset);
          char next = charAt(offset + 1);
          if (isSingleLineCommentBegin(current, next)) {
              return skipSingleLineComment(COMMENT_BEGIN_SYMBOL_LENGTH);
          } else if ('#' == current) {
              return skipSingleLineComment(MYSQL_SPECIAL_COMMENT_BEGIN_SYMBOL_LENGTH);
          } else if (isMultipleLineCommentBegin(current, next)) {
              return skipMultiLineComment();
          }
          return offset;
      }