{
  "description": "Preconditions must be fulfilled before an operation (update, delete, etc.) is carried out.",
  "properties": {
    "resourceVersion": {
      "description": "Specifies the target ResourceVersion",
      "type": [
        "string",
        "null"
      ]
    },
    "uid": {
      "description": "Specifies the target UID.",
      "type": [
        "string",
        "null"
      ]
    }
  },
  "type": "object",
  "$schema": "http://json-schema.org/schema#"
}