[
 {
  "op": "add",
  "path": "/definitions/BlockDeviceMapping/requiredXor",
  "value": [
   "VirtualName",
   "Ebs",
   "NoDevice"
  ]
 },
 {
  "op": "add",
  "path": "/definitions/BlockDevice/properties/VolumeType/enum",
  "value": [
   "gp2",
   "gp3",
   "io1",
   "io2",
   "sc1",
   "st1",
   "standard"
  ]
 }
]
