// Template.
  optional StatefulSetUpdateStrategy updateStrategy = 7;

  // revisionHistoryLimit is the maximum number of revisions that will
  // be maintained in the StatefulSet's revision history. The revision history
  // consists of all revisions not represented by a currently applied
  // StatefulSetSpec version. The default value is 10.
  optional int32 revisionHistoryLimit = 8;

  // Template.
  optional StatefulSetUpdateStrategy updateStrategy = 7;

  // revisionHistoryLimit is the maximum number of revisions that will
  // be maintained in the StatefulSet's revision history. The revision history
  // consists of all revisions not represented by a currently applied
  // StatefulSetSpec version. The default value is 10.
  optional int32 revisionHistoryLimit = 8;

  // that are not part of the Kubernetes system.
  // +optional
  repeated string externalIPs = 5;

  // Supports "ClientIP" and "None". Used to maintain session affinity.
  // Enable client IP based session affinity.
  // Must be ClientIP or None.
  // Defaults to None.

  // Template.
  optional StatefulSetUpdateStrategy updateStrategy = 7;

  // revisionHistoryLimit is the maximum number of revisions that will
  // be maintained in the StatefulSet's revision history. The revision history
  // consists of all revisions not represented by a currently applied
  // StatefulSetSpec version. The default value is 10.
  optional int32 revisionHistoryLimit = 8;

// AllocationResult contains attributes of an allocated resource.
message AllocationResult {
  // ResourceHandles contain the state associated with an allocation that
  // should be maintained throughout the lifetime of a claim. Each
  // ResourceHandle contains data that should be passed to a specific kubelet
  // plugin once it lands on a node. This data is returned by the driver