SYmfony : injecting container to migration script

1, implements

Symfony\Component\DependencyInjection\ContainerAwareInterface

class Version20171128103853 extends AbstractMigration 
                            implements ContainerAwareInterface{

}

2, Mixin

Symfony\Component\DependencyInjection\ContainerAwareTrait;

class Version20171128103853 extends AbstractMigration 
 implements ContainerAwareInterface{

     use ContainerAwareTrait;

}