public function map(array $configuration)
	{
		return [
			'driver' => $this->driver($configuration['driver']),
			'host' => $configuration['host'],
			'dbname' => $configuration['database'],
			'user' => $configuration['username'],
			'password' => $configuration['password'],
			'charset' => $configuration['charset'],
        	'prefix' => @$configuration['prefix'] ? $configuration['prefix'] : null
		];
	}