AllGroups predicate which permits all groups.

KubernetesAppsGroup checks if APIGroup is the Kubernetes' "apps" group Deployment and Daemonset resources are sitting here.

KubernetesCoreGroup checks if APIGroup is the Kubernetes' "core" ("legacy") group ConfigMaps, Secrets, and other Kube native resources sit here.

KubernetesPolicyGroup checks if APIGroup is the Kubernetes' "apps" group PodDisruptionBudget is sitting here.

NewPartialRestMapperProvider returns configured 'partial' rest mapper provider intended to be used with controller-runtime manager.

OpenshiftConfigGroup checks if APIGroup is openshift-specific "config.openshift.io".

OpenshiftOperatorGroup checks if APIGroup is openshift-specific "operator.openshift.io".

Or combines passed predicate functions in a way to implement logical OR between them.

GroupFilterPredicate filters group during discovery process.