public function down(Schema $schema)
{
$this->abortIf($this->connection->getDatabasePlatform()->getName() != 'mysql', 'Migration can only be executed safely on "mysql".');
$this->addSql("UPDATE neos_neos_eventlog_domain_model_event SET dtype = REPLACE(dtype, 'neos_neos_', 'typo3_neos_')");
}