NewCmdConfig creates a command object for the "config" action, and adds all child commands to it.

NewCmdConfigGetClusters creates a command object for the "get-clusters" action, which lists all clusters defined in the kubeconfig.

NewCmdConfigGetContexts creates a command object for the "get-contexts" action, which retrieves one or more contexts from a kubeconfig.

NewCmdConfigRenameContext creates a command object for the "rename-context" action.

GetContextsOptions contains the assignable options from the args.

RenameContextOptions contains the options for running the rename-context cli command.