PhpCsFixer\Fixer\ClassNotation\ClassDefinitionFixer::getClassyDefinitionInfo PHP Method

    private function getClassyDefinitionInfo(Tokens $tokens, $classyIndex)
    {
        $openIndex = $tokens->getNextTokenOfKind($classyIndex, array('{'));
        $prev = $tokens->getPrevMeaningfulToken($classyIndex);
        $startIndex = $tokens[$prev]->isGivenKind(array(T_FINAL, T_ABSTRACT)) ? $prev : $classyIndex;
        $extends = false;
        $implements = false;
        $anonymousClass = false;
        if (!(defined('T_TRAIT') && $tokens[$classyIndex]->isGivenKind(T_TRAIT))) {
            $extends = $tokens->findGivenKind(T_EXTENDS, $classyIndex, $openIndex);
            $extends = count($extends) ? $this->getClassyInheritanceInfo($tokens, key($extends), $openIndex, 'numberOfExtends') : false;
            if (!$tokens[$classyIndex]->isGivenKind(T_INTERFACE)) {
                $implements = $tokens->findGivenKind(T_IMPLEMENTS, $classyIndex, $openIndex);
                $implements = count($implements) ? $this->getClassyInheritanceInfo($tokens, key($implements), $openIndex, 'numberOfImplements') : false;
                $tokensAnalyzer = new TokensAnalyzer($tokens);
                $anonymousClass = $tokensAnalyzer->isAnonymousClass($classyIndex);
            }
        }
        return array('start' => $startIndex, 'classy' => $classyIndex, 'open' => $openIndex, 'extends' => $extends, 'implements' => $implements, 'anonymousClass' => $anonymousClass);
    }