ref: https://github.com/kubernetes/kubernetes/blob/4f083dee54539b0ca24ddc55d53921f5c2efc0b9/pkg/kubectl/cmd/util/factory_client_access.go#L221.

New creates a new Client for the given RESTClient.

NewForConfig creates a new Client for the given config.

NewForConfigOrDie creates a new Client for the given config and panics if there is an error in the config.

Client is used to interact with features provided by the storage.k8s.io group.

WorkloadInterface has methods to work with Workload resources.

WorkloadsGetter has a method to return a WorkloadInterface.