If the operator is Exists or DoesNotExist, the values
                              array must be empty. This array is replaced during a
                              strategic merge patch.
                            items:
                              type: string
                            type: array
                        required:
                        - key

  // 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.
  // +optional
  repeated string values = 3;
}

// List holds a list of objects, which may not be known by the server.
message List {
  // Standard list metadata.

* Move shell completion generation into 'kubectl completion' command ([#23801](https://github.com/kubernetes/kubernetes/pull/23801), [@sttts](https://github.com/sttts))
* Fix strategic merge diff list diff bug ([#26418](https://github.com/kubernetes/kubernetes/pull/26418), [@AdoHe](https://github.com/AdoHe))