message: add AzureFileStorageWriteSettings
diff: }
  ]
  },
  + "AzureFileStorageWriteSettings": {
  + "description": "Azure File Storage write settings.",
  + "type": "object",
  + "allOf": [
  + {
  + "$ref": "#/definitions/StoreWriteSettings"
  + }
  + ]
  + },
  "FormatReadSettings": {
  "description": "Format read settings.",
  "discriminator": "type",
  