src/Fixer/ClassNotation/NoBlankLinesAfterClassOpeningFixer.php
protected function applyFix(\SplFileInfo $file, Tokens $tokens)
    {
        foreach ($tokens as $index => $token) {
            if (!$token->isClassy()) {
                continue;
            }

            $startBraceIndex = $tokens->getNextTokenOfKind($index, ['{']);
            if (!$tokens[$startBraceIndex + 1]->isWhitespace()) {
                continue;
            }

            $this->fixWhitespace($tokens, $startBraceIndex + 1);
        }
    }
protected function applyFix(\SplFileInfo $file, Tokens $tokens)
    {
        foreach ($tokens as $index => $token) {
            if (!$token->isClassy()) {
                continue;
            }

            $startBraceIndex = $tokens->getNextTokenOfKind($index, ['{']);
            if (!$tokens[$startBraceIndex + 1]->isWhitespace()) {
                continue;
            }

            $this->fixWhitespace($tokens, $startBraceIndex + 1);
        }
    }
{@inheritdoc}