public function down(Schema $schema)
{
$this->abortIf($this->connection->getDatabasePlatform()->getName() != "mysql");
$this->addSql("ALTER TABLE typo3_user DROP FOREIGN KEY typo3_user_ibfk_2");
$this->addSql("ALTER TABLE typo3_user DROP FOREIGN KEY typo3_user_ibfk_1");
$this->addSql("ALTER TABLE typo3_domain DROP FOREIGN KEY typo3_domain_ibfk_1");
$this->addSql("DROP TABLE typo3_domain");
$this->addSql("DROP TABLE typo3_site");
$this->addSql("DROP TABLE typo3_user");
$this->addSql("DROP TABLE typo3_userpreferences");
}