}

// GetExtraSupplementalGroupsForPod is not implemented
func (f *FakeVolumeManager) GetExtraSupplementalGroupsForPod(pod *v1.Pod) []int64 {
	return nil
}

// GetVolumesInUse returns a list of the initial volumes
func (f *FakeVolumeManager) GetVolumesInUse() []v1.UniqueVolumeName {
	inuse := []v1.UniqueVolumeName{}
	for v := range f.volumes {
		inuse = append(inuse, v)
	}
	return inuse
}