{
  "description": "DeviceAttribute must have exactly one field set.",
  "properties": {
    "bool": {
      "description": "BoolValue is a true/false value.",
      "type": [
        "boolean",
        "null"
      ]
    },
    "int": {
      "description": "IntValue is a number.",
      "format": "int64",
      "type": [
        "integer",
        "null"
      ]
    },
    "string": {
      "description": "StringValue is a string. Must not be longer than 64 characters.",
      "type": [
        "string",
        "null"
      ]
    },
    "version": {
      "description": "VersionValue is a semantic version according to semver.org spec 2.0.0. Must not be longer than 64 characters.",
      "type": [
        "string",
        "null"
      ]
    }
  },
  "type": "object",
  "$schema": "http://json-schema.org/schema#"
}