$src = JobQueue::factory( $baseConfig + $wgJobQueueMigrationConfig[$srcKey] );
$dst = JobQueue::factory( $baseConfig + $wgJobQueueMigrationConfig[$dstKey] );
$src = JobQueue::factory( $baseConfig + $wgJobQueueMigrationConfig[$srcKey] );
$dst = JobQueue::factory( $baseConfig + $wgJobQueueMigrationConfig[$dstKey] );