PhpCsFixer\Fixer\NamespaceNotation\NoBlankLinesBeforeNamespaceFixer::fix PHP Method

    public function fix(\SplFileInfo $file, Tokens $tokens)
    {
        for ($index = 0, $limit = $tokens->count(); $index < $limit; ++$index) {
            $token = $tokens[$index];
            if (!$token->isGivenKind(T_NAMESPACE)) {
                continue;
            }
            $this->fixLinesBeforeNamespace($tokens, $index, 1);
        }
    }