{
  "$schema": "http://json-schema.org/schema#", 
  "required": [
    "key", 
    "operator"
  ], 
  "type": "object", 
  "description": "A label selector requirement is a selector that contains values, a key, and an operator that relates the key and values.", 
  "properties": {
    "operator": {
      "type": [
        "string", 
        "null"
      ], 
      "description": "operator represents a key's relationship to a set of values. Valid operators are In, NotIn, Exists and DoesNotExist."
    }, 
    "values": {
      "items": {
        "type": [
          "string", 
          "null"
        ]
      }, 
      "type": [
        "array", 
        "null"
      ], 
      "description": "values is an array of string values. If the operator is In or NotIn, the values array must be non-empty. If the operator is Exists or DoesNotExist, the values array must be empty. This array is replaced during a strategic merge patch."
    }, 
    "key": {
      "x-kubernetes-patch-merge-key": "key", 
      "type": [
        "string", 
        "null"
      ], 
      "description": "key is the label key that the selector applies to.", 
      "x-kubernetes-patch-strategy": "merge"
    }
  }
}