PhpCsFixer\Fixer\ClassNotation\ProtectedToPrivateFixer::fix PHP Method

    public function fix(\SplFileInfo $file, Tokens $tokens)
    {
        $end = count($tokens) - 3;
        // min. number of tokens to form a class candidate to fix
        for ($index = 0; $index < $end; ++$index) {
            if (!$tokens[$index]->isGivenKind(T_CLASS)) {
                continue;
            }
            $classOpen = $tokens->getNextTokenOfKind($index, array('{'));
            $classClose = $tokens->findBlockEnd(Tokens::BLOCK_TYPE_CURLY_BRACE, $classOpen);
            if (!$this->skipClass($tokens, $index, $classOpen, $classClose)) {
                $this->fixClass($tokens, $index, $classOpen, $classClose);
            }
            $index = $classClose;
        }
    }