message: Added Eviction Policy Property for VirtualMachineScaleSetVMProfile for version 2017-12-01
diff: "name": "VirtualMachinePriorityTypes",
  "modelAsString": true
  }
  + },
  + "evictionPolicy": {
  + "type": "string",
  + "description": "Specifies the eviction policy for virtual machines in the low priority scale set. <br><br>Minimum api-version: 2017-10-30-preview",
  + "enum": [
  + "Deallocate",
  + "Delete"
  + ],
  + "x-ms-enum": {
  + "name": "VirtualMachineEvictionPolicyTypes",
  + "modelAsString": true
  + }
  }
  },
  "description": "Describes a virtual machine scale set virtual machine profile."
  