vendor change

vendor/k8s.io/client-go/tools/cache/delta_fifo.go

@@ -160,7 +160,7 @@ func (f *DeltaFIFO) KeyOf(obj interface{}) (string, error) {
 	return f.keyFunc(obj)
 }
 
-// Return true if an Add/Update/Delete/AddIfNotPresent are called first,
+// HasSynced returns true if an Add/Update/Delete/AddIfNotPresent are called first,
 // or an Update called first but the first batch of items inserted by Replace() has been popped
 func (f *DeltaFIFO) HasSynced() bool {
 	f.lock.Lock()
@@ -389,7 +389,7 @@ func (f *DeltaFIFO) GetByKey(key string) (item interface{}, exists bool, err err
 	return d, exists, nil
 }
 
-// Checks if the queue is closed
+// IsClosed checks if the queue is closed
 func (f *DeltaFIFO) IsClosed() bool {
 	f.closedLock.Lock()
 	defer f.closedLock.Unlock()
@@ -417,7 +417,7 @@ func (f *DeltaFIFO) Pop(process PopProcessFunc) (interface{}, error) {
 			// When Close() is called, the f.closed is set and the condition is broadcasted.
 			// Which causes this loop to continue and return from the Pop().
 			if f.IsClosed() {
-				return nil, FIFOClosedError
+				return nil, ErrFIFOClosed
 			}
 
 			f.cond.Wait()
@@ -593,6 +593,7 @@ type KeyGetter interface {
 // DeltaType is the type of a change (addition, deletion, etc)
 type DeltaType string
 
+// Change type definition
 const (
 	Added   DeltaType = "Added"
 	Updated DeltaType = "Updated"