{"collectionHolderWrappersNillableInitialized":{
   "collection1":{
      "collection1":[]
   },
   "collection2-wrapper":{
      "collection2":[]
   },
   "collection3-wrapper":{},
   "collection4-wrapper":{
       "collection4":[]
    },
   "collection5-wrapper":{
      "root":[]
   },
   "collection6-wrapper":{
       "collection6":[]
   },
   "collection7-wrapper":{
      "collection7":[]
   }
}}