code: function _checkUnicodeWildcard(i) {
    const start = i;
  
    if (i >= tokensLength) return 0;
  
    while (i < tokensLength) {
      if (tokens[i].type === TokenType.QuestionMark) i += 1;
      else break;
    }
  
    return i - start;
  }
docs: Check for unicode wildcard characters `?`
  @param {number} i Token's index
  @return {number} Wildcard length