message TopologySpreadConstraint {
  // MaxSkew describes the degree to which pods may be unevenly distributed.
  // When `whenUnsatisfiable=DoNotSchedule`, it is the maximum permitted difference
  // between the number of matching pods in the target topology and the global minimum.
  // The global minimum is the minimum number of matching pods in an eligible domain

message TopologySpreadConstraint {
  // MaxSkew describes the degree to which pods may be unevenly distributed.
  // When `whenUnsatisfiable=DoNotSchedule`, it is the maximum permitted difference
  // between the number of matching pods in the target topology and the global minimum.
  // The global minimum is the minimum number of matching pods in an eligible domain

	}
	// When MinDomains is non-nil, whenUnsatisfiable must be DoNotSchedule.
	if action != core.DoNotSchedule {
		allErrs = append(allErrs, field.Invalid(fldPath, minDomains, fmt.Sprintf("can only use minDomains if whenUnsatisfiable=%s, not %s", core.DoNotSchedule, action)))
	}
	return allErrs
}

// ValidateTopologyKey tests that the argument is a valid TopologyKey.

	"":                   "TopologySpreadConstraint specifies how to spread matching pods among the given topology.",

          "type": "string"
        },
        "whenUnsatisfiable": {

          },
          "maxSkew": {
            "default": 0,

          },
          "maxSkew": {
            "default": 0,

          },
          "maxSkew": {
            "default": 0,

as 3/1/1: | zone1 | zone2 | zone3 | | P P P |   P   |   P   | If WhenUnsatisfiable is set to DoNotSchedule, incoming pod can only be scheduled to zone2(zone3) to become 3/2/1(3/1/2) as ActualSkew(2-1) on zone2(zone3) satisfies MaxSkew(1). In other words, the cluster can still be imbalanced, but scheduler won't make it *more* imbalanced. It's a required field.\n\nPossible enum values:\n - `\"DoNotSchedule\"` instructs the scheduler not to schedule the pod when constraints are not satisfied.\n - `\"ScheduleAnyway\"`...

          "x-kubernetes-list-type": "atomic"
        },
        "maxSkew": {