src/Fixer/ClassNotation/ClassDefinitionFixer.php
private function fixClassyDefinitionOpenSpacing(Tokens $tokens, array $classDefInfo)
    {
        if ($classDefInfo['anonymousClass']) {
            if (false !== $classDefInfo['implements']) {
                $spacing = $classDefInfo['implements']['multiLine'] ? $this->whitespacesConfig->getLineEnding() : ' ';
            } elseif (false !== $classDefInfo['extends']) {
                $spacing = $classDefInfo['extends']['multiLine'] ? $this->whitespacesConfig->getLineEnding() : ' ';
            } else {
                $spacing = ' ';
            }
        } else {
            $spacing = $this->whitespacesConfig->getLineEnding();
        }

        $openIndex = $tokens->getNextTokenOfKind($classDefInfo['classy'], ['{']);
        if (' ' !== $spacing && false !== strpos($tokens[$openIndex - 1]->getContent(), "\n")) {
            return $openIndex;
        }

        if ($tokens[$openIndex - 1]->isWhitespace()) {
            if (' ' !== $spacing || !$tokens[$tokens->getPrevNonWhitespace($openIndex - 1)]->isComment()) {
                $tokens[$openIndex - 1] = new Token([T_WHITESPACE, $spacing]);
            }

            return $openIndex;
        }

        $tokens->insertAt($openIndex, new Token([T_WHITESPACE, $spacing]));

        return $openIndex + 1;
    }
private function fixClassyDefinitionOpenSpacing(Tokens $tokens, array $classDefInfo)
    {
        if ($classDefInfo['anonymousClass']) {
            if (false !== $classDefInfo['implements']) {
                $spacing = $classDefInfo['implements']['multiLine'] ? $this->whitespacesConfig->getLineEnding() : ' ';
            } elseif (false !== $classDefInfo['extends']) {
                $spacing = $classDefInfo['extends']['multiLine'] ? $this->whitespacesConfig->getLineEnding() : ' ';
            } else {
                $spacing = ' ';
            }
        } else {
            $spacing = $this->whitespacesConfig->getLineEnding();
        }

        $openIndex = $tokens->getNextTokenOfKind($classDefInfo['classy'], ['{']);
        if (' ' !== $spacing && false !== strpos($tokens[$openIndex - 1]->getContent(), "\n")) {
            return $openIndex;
        }

        if ($tokens[$openIndex - 1]->isWhitespace()) {
            if (' ' !== $spacing || !$tokens[$tokens->getPrevNonWhitespace($openIndex - 1)]->isComment()) {
                $tokens[$openIndex - 1] = new Token([T_WHITESPACE, $spacing]);
            }

            return $openIndex;
        }

        $tokens->insertAt($openIndex, new Token([T_WHITESPACE, $spacing]));

        return $openIndex + 1;
    }
@param Tokens $tokens
@param array  $classDefInfo

@return int