if !ok {
		return nil, nil, fmt.Errorf("not a clustertrustbundle")
	}

	selectableFields := generic.MergeFieldsSets(generic.ObjectMetaFieldsSet(&bundle.ObjectMeta, false), fields.Set{
		"spec.signerName": bundle.Spec.SignerName,
	})

	return labels.Set(bundle.Labels), selectableFields, nil

    kind: kindValue
    listKind: listKindValue
    plural: pluralValue
    shortNames:
    - shortNamesValue
    singular: singularValue
  preserveUnknownFields: true
  scope: scopeValue
  selectableFields:
  - jsonPath: jsonPathValue
  subresources:
    scale:
      labelSelectorPath: labelSelectorPathValue
      specReplicasPath: specReplicasPathValue
      statusReplicasPath: statusReplicasPathValue

	// across UPDATE/PATCH requests.
	CRDValidationRatcheting featuregate.Feature = "CRDValidationRatcheting"

	// owner: @jpbetz
	// alpha: v1.30
	//
	// CustomResourceDefinitions may include SelectableFields to declare which fields
	// may be used as field selectors.
	CustomResourceFieldSelectors featuregate.Feature = "CustomResourceFieldSelectors"
)

func init() {

        - fieldPath: fieldPathValue
          message: messageValue
          messageExpression: messageExpressionValue
          optionalOldSelf: true
          reason: reasonValue
          rule: ruleValue
    selectableFields:
    - jsonPath: jsonPathValue
    served: true
    storage: true
    subresources:
      scale:
        labelSelectorPath: labelSelectorPathValue
        specReplicasPath: specReplicasPathValue

            "format": "formatValue",
            "description": "descriptionValue",
            "priority": 5,
            "jsonPath": "jsonPathValue"
          }
        ],
        "selectableFields": [
          {
            "jsonPath": "jsonPathValue"
          }
        ]
      }
    ],
    "conversion": {
      "strategy": "strategyValue",
      "webhook": {