LineLengthSniff.php:
// changed for Japanese text.
// public $lineLimit = 80;
public $lineLimit = 500;
FunctionCommentSniff.php:
// comment out for Japanese comment.
// if (preg_match('|[A-Z]|', $testShort[0]) === 0) {
// $error = 'Function comment short description must start with a capital letter';
// $phpcsFile->addError($error, ($commentStart + 1), 'ShortNotCapital');
// }
// comment out for Japanese comment.
// if ($lastChar !== '.') {
// $error = 'Function comment short description must end with a full stop';
// $phpcsFile->addError($error, ($commentStart + 1), 'ShortFullStop');
// }