{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "type": "object",
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      "minLength": 1,
      "maxLength": 100,
      "pattern": "^[a-zA-Z0-9_-]+$"
    },
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      "minLength": 1,
      "maxLength": 100,
      "pattern": "^[a-zA-Z0-9_-]+$"
    },
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      "type": "string",
      "minLength": 1,
      "maxLength": 120
    },
    "price": {
      "type": "object",
      "properties": {
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          "const": "points"
        },
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          "type": "string",
          "minLength": 1,
          "maxLength": 100,
          "pattern": "^[a-zA-Z0-9_-]+$"
        },
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          "exclusiveMinimum": 0,
          "maximum": 2147483647
        }
      },
      "required": ["kind", "balance", "amount"]
    },
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      "type": "object",
      "properties": {
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          "const": "tier"
        },
        "reward": {
          "type": "object",
          "properties": {
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              "type": "string",
              "minLength": 1,
              "maxLength": 100,
              "pattern": "^[a-zA-Z0-9_-]+$"
            },
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              "pattern": "^[a-zA-Z0-9_-]+$"
            },
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              "type": "string",
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              "maxLength": 120
            },
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              "maxItems": 20,
              "type": "array",
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                "properties": {
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                    "pattern": "^[a-zA-Z0-9_-]+$"
                  },
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                    "maxLength": 120
                  }
                },
                "required": ["id", "title"]
              }
            },
            "inventory": {
              "type": "object",
              "properties": {
                "kind": {
                  "type": "string",
                  "const": "untracked"
                }
              },
              "required": ["kind"]
            },
            "fulfillment": {
              "oneOf": [
                {
                  "type": "object",
                  "properties": {
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                      "const": "staff-handover"
                    }
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                  "additionalProperties": false
                },
                {
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                      "const": "automatic"
                    }
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                  "required": ["kind"],
                  "additionalProperties": false
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          "maxLength": 100,
          "pattern": "^[a-zA-Z0-9_-]+$"
        }
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      "required": ["kind", "reward", "tier"]
    },
    "stock": {
      "type": "integer",
      "minimum": 0,
      "maximum": 1000000
    },
    "limit": {
      "default": {
        "perMember": 1
      },
      "type": "object",
      "properties": {
        "perMember": {
          "type": "integer",
          "exclusiveMinimum": 0,
          "maximum": 10000
        }
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      "type": "array",
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                    "pattern": "^[a-zA-Z0-9_-]+$"
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                    "enum": ["day", "week", "month"]
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                "additionalProperties": false
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            ]
          },
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            "type": "object",
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                "const": "balance"
              },
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                "pattern": "^[a-zA-Z0-9_-]+$"
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                "pattern": "^[a-zA-Z0-9_-]+$"
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      "type": "boolean"
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              "const": "out-of-stock"
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          "additionalProperties": false
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              "const": "limit-reached"
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                "const": "balance"
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                "pattern": "^[a-zA-Z0-9_-]+$"
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    "revision",
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    "availability"
  ]
}