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Relationships : (TransportationOperations/Traffic_Study_Data)

{"relationships": [
 {
  "id": 0,
  "name": "TrafficStudyHasTrafficData",
  "catalogID": "{9DA3C9AF-59E3-4BDB-B9B5-A9608515A4F2}",
  "backwardPathLabel": "TrafficStudy",
  "originLayerId": 2,
  "originPrimaryKey": "TS_ID",
  "forwardPathLabel": "TrafficData",
  "destinationLayerId": 3,
  "originForeignKey": "TS_ID",
  "rules": [],
  "cardinality": "esriRelCardinalityOneToMany",
  "attributed": false,
  "composite": false
 },
 {
  "id": 1,
  "name": "TrafficStudyHasPedestrianData",
  "catalogID": "{59B5C782-5E5E-4F34-988C-522C4109ED65}",
  "backwardPathLabel": "TrafficStudy",
  "originLayerId": 2,
  "originPrimaryKey": "TS_ID",
  "forwardPathLabel": "TrafficPedestrianData",
  "destinationLayerId": 4,
  "originForeignKey": "TS_ID",
  "rules": [],
  "cardinality": "esriRelCardinalityOneToMany",
  "attributed": false,
  "composite": false
 }
]}