installations_document_classes: array:2 [▼
    0 => Entity {#360 ▼
      #_properties: array:8 [▶]
      #_original: array:1 [▶]
      #_hidden: []
      #_virtual: []
      #_className: null
      #_dirty: array:1 [▶]
      #_new: false
      #_errors: []
      #_invalid: []
      #_accessible: array:1 [▶]
      #_registryAlias: "InstallationsDocumentClasses"
      id: 2
      installation_id: 10
      document_class_id: 1
      internal: true
      internal_download: false
      external: true
      external_download: false
      _joinData: Entity {#362 ▶}
      [new]: false
      [accessible]: array:1 [▶]
      [dirty]: array:1 [▶]
      [original]: array:1 [▶]
      [virtual]: []
      [hasErrors]: false
      [errors]: []
      [invalid]: []
      [repository]: "InstallationsDocumentClasses"
    }
    1 => Entity {#309 ▼
      #_properties: array:8 [▶]
      #_original: array:1 [▶]
      #_hidden: []
      #_virtual: []
      #_className: null
      #_dirty: array:1 [▶]
      #_new: false
      #_errors: []
      #_invalid: []
      #_accessible: array:1 [▶]
      #_registryAlias: "InstallationsDocumentClasses"
      id: 3
      installation_id: 10
      document_class_id: 2
      internal: true
      internal_download: false
      external: true
      external_download: false
      _joinData: Entity {#363 ▶}
      [new]: false
      [accessible]: array:1 [▶]
      [dirty]: array:1 [▶]
      [original]: array:1 [▶]
      [virtual]: []
      [hasErrors]: false
      [errors]: []
      [invalid]: []
      [repository]: "InstallationsDocumentClasses"
    }
  ]