protected function findVariablesThatReferenceClass(array $tokens) {
        $inNew     = false;
        $variables = array();

        foreach ($tokens as $i => $token) {
            if (is_string($token)) {
                if (trim($token) == ';') {
                    $inNew = false;
                }

                continue;
            }

            list ($token, $value) = $token;

            switch ($token) {
                case T_NEW:
                    $inNew = true;
                    break;

                case T_STRING:
                    if ($inNew) {
                        if ($value == $this->outClassName['fullyQualifiedClassName']) {
                            $variables[] = $this->findVariableName($tokens, $i);
                        }
                    }

                    $inNew = false;
                    break;
            }
        }

        return $variables;
    }