{
  "title": "features",
  "type": "array",
  "uniqueItems": true,
  "items": {
    "title": "featureEntry",
    "type": "object",
    "properties": {
      "name": {
        "description": "The name of the feature",
        "type": "string",
        "pattern": ".+"
      },
      "description": {
        "description": "The description of the feature",
        "type": "string",
        "pattern": ".+"
      },
      "version": {
        "description": "Single version where this feature applies",
        "type": "string"
      },
      "versions": {
        "description": "A tuple that describes the range of versions where this feature applies [minVersion, maxVersion]",
        "type": "array",
        "items": {
          "type": "string"
        },
        "minItems": 2,
        "maxItems": 2,
        "additionalItems": false
      },
      "values": {
        "description": "Version-specific values for features that have different values across versions",
        "type": "array",
        "items": {
          "title": "versionSpecificValue",
          "type": "object",
          "properties": {
            "value": {
              "description": "The value for this feature in the specified versions"
            },
            "version": {
              "description": "Single version where this value applies",
              "type": "string"
            },
            "versions": {
              "description": "Version range where this value applies [minVersion, maxVersion]",
              "type": "array",
              "items": {
                "type": "string"
              },
              "minItems": 2,
              "maxItems": 2,
              "additionalItems": false
            }
          },
          "required": ["value"],
          "oneOf": [
            {
              "required": ["version"],
              "not": {"required": ["versions"]}
            },
            {
              "required": ["versions"],
              "not": {"required": ["version"]}
            }
          ],
          "additionalProperties": false
        }
      }
    },
    "required": ["name", "description"],
    "oneOf": [
      {
        "required": ["version"],
        "not": {"anyOf": [{"required": ["versions"]}, {"required": ["values"]}]}
      },
      {
        "required": ["versions"],
        "not": {"anyOf": [{"required": ["version"]}, {"required": ["values"]}]}
      },
      {
        "required": ["values"],
        "not": {"anyOf": [{"required": ["version"]}, {"required": ["versions"]}]}
      }
    ],
    "additionalProperties": false
  }
}