^ App\Entity\StackTransit {#849
  -id: 3
  -nom: "Fondu in"
  -x0: 0
  -y0: 0
  -alpha0: 0.0
  -stacks: Doctrine\ORM\PersistentCollection {#851
    -snapshot: []
    -owner: App\Entity\StackTransit {#849}
    -association: array:15 [ …15]
    -em: Doctrine\ORM\EntityManager {#303 …11}
    -backRefFieldName: "transitIn"
    -typeClass: Doctrine\ORM\Mapping\ClassMetadata {#511 …}
    -isDirty: false
    #collection: Doctrine\Common\Collections\ArrayCollection {#852
      -elements: []
    }
    #initialized: false
  }
  -duree: 1000
  -width: 900
  -son0: null
  -x1: 0
  -y1: 0
  -alpha1: 1.0
  -width1: 900
  -son1: null
  -height0: 675
  -height1: 675
}