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Relationships : (Flood_Protection_Feature_Service)

{"relationships": [{
 "id": 0,
 "name": "FloodWalls_have_Closure_Structure",
 "backwardPathLabel": "FloodWalls",
 "originLayerId": 7,
 "originPrimaryKey": "FLDWALLID",
 "forwardPathLabel": "Closure_Structure",
 "destinationLayerId": 2,
 "originForeignKey": "FLDWALLID",
 "rules": [],
 "cardinality": "esriRelCardinalityOneToMany",
 "attributed": false,
 "composite": false
}]}