type RangeRegistry interface {
// Get returns the latest allocation, an empty object if no allocation has been made,// or an error if the allocation could not be retrieved.
Get() (*api.RangeAllocation, error)
// CreateOrUpdate should create or update the provide allocation, unless a conflict// has occurred since the item was last created.
CreateOrUpdate(*api.RangeAllocation) error
}
RangeRegistry is a registry that can retrieve or persist a RangeAllocation object.