// and always consumes at least one argument (even on error).
//
// Unlike (*flag.FlagSet).Parse, ParseOne does not log its own errors.
func ParseOne(fs *flag.FlagSet, args []string) (f *flag.Flag, remainingArgs []string, err error) {
	// This function is loosely derived from (*flag.FlagSet).parseOne.

	raw, args := args[0], args[1:]
	arg := raw
	if strings.HasPrefix(arg, "--") {
		if arg == "--" {

// typically a filename.
type Writer interface {
	Open(name string) (io.WriteCloser, error)
}

// A FlagSet creates and parses command-line flags.
// It is similar to the standard flag.FlagSet.
type FlagSet interface {
	// Bool, Int, Float64, and String define new flags,
	// like the functions of the same name in package flag.
	Bool(name string, def bool, usage string) *bool

			EnableHostPathProvisioning:                       false,
			EnableDynamicProvisioning:                        true,
		},
	}
}

// AddFlags adds flags related to PersistentVolumeControllerOptions to the specified FlagSet.
func (o *PersistentVolumeControllerOptions) AddFlags(fs *pflag.FlagSet) {
	fs.DurationVar(&o.PVClaimBinderSyncPeriod, "pvclaimbinder-sync-period", o.PVClaimBinderSyncPeriod,

	// Add the generic flags.
	s.GenericServerRunOptions.AddUniversalFlags(fss.FlagSet("generic"))
	s.Etcd.AddFlags(fss.FlagSet("etcd"))
	s.SecureServing.AddFlags(fss.FlagSet("secure serving"))
	s.Audit.AddFlags(fss.FlagSet("auditing"))
	s.Features.AddFlags(fss.FlagSet("features"))
	s.Authentication.AddFlags(fss.FlagSet("authentication"))
	s.Authorization.AddFlags(fss.FlagSet("authorization"))

limitations under the License.
*/

package options

import "github.com/spf13/pflag"

// AddCertificateDirFlag adds the --certs-dir flag to the given flagset
func AddCertificateDirFlag(fs *pflag.FlagSet, certsDir *string) {
	fs.StringVar(certsDir, CertificatesDir, *certsDir, "The path where to save the certificates")

	if o != nil {
		*d = *o
	}
	if d.Writer == nil {
		d.Writer = oswriter{}
	}
	if d.Flagset == nil {
		d.Flagset = &GoFlags{}
	}
	if d.Obj == nil {
		d.Obj = &binutils.Binutils{}
	}
	if d.UI == nil {
		d.UI = &stdUI{r: bufio.NewReader(os.Stdin)}
	}
	if d.HTTPTransport == nil {
		d.HTTPTransport = transport.New(d.Flagset)
	}
	if d.Sym == nil {

	global := flag.CommandLine
	local := pflag.NewFlagSet(os.Args[0], pflag.ExitOnError)

	// e2e node tests rely on this
	register(global, local, "housekeeping_interval")

	// These flags were implicit from cadvisor, and are mistakes that should be registered deprecated:

type DeploymentControllerOptions struct {
	*deploymentconfig.DeploymentControllerConfiguration
}

// AddFlags adds flags related to DeploymentController for controller manager to the specified FlagSet.
func (o *DeploymentControllerOptions) AddFlags(fs *pflag.FlagSet) {
	if o == nil {
		return
	}

// TODO remove these fields once the deprecated flags are removed.
type DeprecatedControllerOptions struct {
	*kubectrlmgrconfig.DeprecatedControllerConfiguration
}

// AddFlags adds flags related to DeprecatedController for controller manager to the specified FlagSet.
func (o *DeprecatedControllerOptions) AddFlags(fs *pflag.FlagSet) {
	if o == nil {
		return
	}
}

			if err := validation.ValidateMixedArguments(cmd.Flags()); err != nil {
				return err
			}

			return nodeRunner.Run(args)
		},
		Args: cobra.NoArgs,
	}

	// adds flags to the node command
	// flags could be eventually inherited by the sub-commands automatically generated for phases
	addUpgradeNodeFlags(cmd.Flags(), nodeOptions)
	options.AddConfigFlag(cmd.Flags(), &nodeOptions.cfgPath)