{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "type": "object",
  "properties": {
    "version": { "type": "number", "const": 2 },
    "buildServer": {
      "anyOf": [
        {
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          "properties": {
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                {
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                  "format": "ipv4",
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                },
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                }
              ]
            },
            "allowRuntimeFallback": { "default": false, "type": "boolean" },
            "transfer": {
              "default": "direct",
              "type": "string",
              "enum": ["direct", "registry"]
            },
            "registry": {
              "type": "string",
              "minLength": 1,
              "maxLength": 64,
              "pattern": "^[a-z][a-z0-9]*(?:-[a-z0-9]+)*$"
            },
            "architecture": { "type": "string", "enum": ["amd64", "arm64"] }
          },
          "required": ["ip"],
          "additionalProperties": false
        },
        { "type": "null" }
      ]
    },
    "environments": {
      "type": "object",
      "propertyNames": {
        "$schema": "https://json-schema.org/draft/2020-12/schema",
        "type": "string",
        "pattern": "^[a-z][a-z0-9-]{0,62}$",
        "not": {
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            "preview",
            "previews",
            "__proto__",
            "constructor",
            "prototype"
          ]
        }
      },
      "additionalProperties": {
        "type": "object",
        "properties": {
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            "anyOf": [
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                "type": "object",
                "properties": {
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                      }
                    ]
                  },
                  "allowRuntimeFallback": {
                    "default": false,
                    "type": "boolean"
                  },
                  "transfer": {
                    "default": "direct",
                    "type": "string",
                    "enum": ["direct", "registry"]
                  },
                  "registry": {
                    "type": "string",
                    "minLength": 1,
                    "maxLength": 64,
                    "pattern": "^[a-z][a-z0-9]*(?:-[a-z0-9]+)*$"
                  },
                  "architecture": {
                    "type": "string",
                    "enum": ["amd64", "arm64"]
                  }
                },
                "required": ["ip"],
                "additionalProperties": false
              },
              { "type": "null" }
            ]
          },
          "previews": {
            "type": "object",
            "properties": { "enabled": { "type": "boolean" } },
            "required": ["enabled"],
            "additionalProperties": false
          }
        },
        "additionalProperties": false
      },
      "minProperties": 1
    }
  },
  "required": ["version", "environments"],
  "additionalProperties": false,
  "$id": "https://www.towbar.dev/schemas/repository.v2.json"
}