}

// Rule is a tuple of APIGroups, APIVersion, and Resources.It is recommended
// to make sure that all the tuple expansions are valid.
message Rule {
  // APIGroups is the API groups the resources belong to. '*' is all groups.
  // If '*' is present, the length of the slice must be one.
  // Required.
  // +listType=atomic
  repeated string apiGroups = 1;

)

// Rule is a tuple of APIGroups, APIVersion, and Resources.It is recommended
// to make sure that all the tuple expansions are valid.
type Rule struct {
	// APIGroups is the API groups the resources belong to. '*' is all groups.
	// If '*' is present, the length of the slice must be one.
	// Required.
	// +listType=atomic
	APIGroups []string `json:"apiGroups,omitempty" protobuf:"bytes,1,rep,name=apiGroups"`

	var allErrors field.ErrorList
	if len(rule.APIGroups) == 0 {
		allErrors = append(allErrors, field.Required(fldPath.Child("apiGroups"), ""))
	}
	if len(rule.APIGroups) > 1 && hasWildcard(rule.APIGroups) {
		allErrors = append(allErrors, field.Invalid(fldPath.Child("apiGroups"), rule.APIGroups, "if '*' is present, must not specify other API groups"))
	}