void setCacheMap ( Map<String, DfsReferralDataInternal> map );


    /**
     * Replaces the entry with key in the cache map with this referral
     */
    void replaceCache ();


    /**
     * Not exactly sure what that is all about, certainly legacy stuff
     * 
     * @return resolveHashes
     */
    boolean isResolveHashes ();


    /**
     * @return whether this refrral needs to be resolved further