{
  "type": "object",
  "description": "Details of the ship's fuel tanks including how much fuel was consumed during the last transit or action.",
  "properties": {
    "amount": {
      "type": "integer",
      "description": "The amount of fuel in the ship's tanks.",
      "minimum": 0
    },
    "capacity": {
      "type": "integer",
      "description": "The maximum amount of fuel the ship's tanks can hold.",
      "minimum": 0
    },
    "consumed": {
      "type": "object",
      "properties": {
        "amount": {
          "type": "integer",
          "description": "The amount of fuel consumed by the most recent transit or action.",
          "minimum": 0
        },
        "timestamp": {
          "type": "string",
          "format": "date-time",
          "description": "The time at which the fuel was consumed."
        }
      },
      "required": [
        "amount",
        "timestamp"
      ]
    }
  },
  "required": [
    "amount",
    "capacity"
  ]
}