if strings.HasPrefix(p, prefix) {
		return true
	}
	return strings.HasPrefix(strings.ToLower(p), strings.ToLower(prefix))
}

func splitList(path string) []string {
	// The same implementation is used in LookPath in os/exec;
	// consider changing os/exec when changing this.

	if path == "" {
		return []string{}
	}

	// Split path, respecting but preserving quotes.
	list := []string{}
	start := 0

	if d == nil {
		d = new(dirInfo)
		f.dirinfo.Store(d)
	}
	d.mu.Lock()
	defer d.mu.Unlock()
	if d.buf == nil {
		d.buf = dirBufPool.Get().(*[]byte)
	}

	// Change the meaning of n for the implementation below.
	//
	// The n above was for the public interface of "if n <= 0,
	// Readdir returns all the FileInfo from the directory in a
	// single slice".
	//
	// But below, we use only negative to mean looping until the

	return nil, fmt.Errorf("NewWrapperMounter not supported by expand controller's VolumeHost implementation")
}

func (expc *expandController) NewWrapperUnmounter(volName string, spec volume.Spec, podUID types.UID) (volume.Unmounter, error) {
	return nil, fmt.Errorf("NewWrapperUnmounter not supported by expand controller's VolumeHost implementation")
}

func (expc *expandController) GetMounter(pluginName string) mount.Interface {

func (t *TypeParam) Underlying() Type {
	return t.iface()
}

func (t *TypeParam) String() string { return TypeString(t, nil) }

// ----------------------------------------------------------------------------
// Implementation

func (t *TypeParam) cleanup() {
	t.iface()
	t.check = nil
}

// iface returns the constraint interface of t.
func (t *TypeParam) iface() *Interface {
	bound := t.bound

	}
	if cmode != coverage.CtrModeAtomic {
		return fmt.Errorf("ClearCounters invoked for program built with -covermode=%s (please use -covermode=atomic)", cmode.String())
	}

	// Implementation note: this function would be faster and simpler
	// if we could just zero out the entire counter array, but for the
	// moment we go through and zero out just the slots in the array

// Package io provides basic interfaces to I/O primitives.
// Its primary job is to wrap existing implementations of such primitives,
// such as those in package os, into shared public interfaces that
// abstract the functionality, plus some other related primitives.
//
// Because these interfaces and primitives wrap lower-level operations with
// various implementations, unless otherwise informed clients should not
// assume they are safe for parallel execution.

	"k8s.io/apimachinery/pkg/types"
	clientset "k8s.io/client-go/kubernetes"
	"k8s.io/client-go/tools/record"
	vol "k8s.io/kubernetes/pkg/volume"
	"k8s.io/kubernetes/pkg/volume/util/subpath"
)

// VolumeHost interface implementation for PersistentVolumeController.

var _ vol.VolumeHost = &PersistentVolumeController{}

func (ctrl *PersistentVolumeController) GetPluginDir(pluginName string) string {
	return ""
}

}

// goLookupCNAME is the native Go (non-cgo) implementation of LookupCNAME.
func (r *Resolver) goLookupCNAME(ctx context.Context, host string, order hostLookupOrder, conf *dnsConfig) (string, error) {
	_, cname, err := r.goLookupIPCNAMEOrder(ctx, "CNAME", host, order, conf)
	return cname.String(), err
}

// goLookupPTR is the native Go implementation of LookupAddr.

// to a given Form.
type Iter struct {
	rb     reorderBuffer
	buf    [maxByteBufferSize]byte
	info   Properties // first character saved from previous iteration
	next   iterFunc   // implementation of next depends on form
	asciiF iterFunc

	p        int    // current position in input source
	multiSeg []byte // remainder of multi-segment decomposition
}

type iterFunc func(*Iter) []byte

	}
	if hasTerms {
		buf.WriteString(s.terms.String())
	}
	buf.WriteString("}")
	return buf.String()
}

// ----------------------------------------------------------------------------
// Implementation

// hasTerms reports whether the type set has specific type terms.
func (s *_TypeSet) hasTerms() bool { return !s.terms.isEmpty() && !s.terms.isAll() }

// subsetOf reports whether s1 ⊆ s2.