* @param epoch the lease epoch
     */
    public void addLeaseV2Context(Smb2LeaseKey leaseKey, int requestedState, Smb2LeaseKey parentLeaseKey, int epoch) {
        LeaseV2CreateContextRequest leaseContext = new LeaseV2CreateContextRequest(leaseKey, requestedState, parentLeaseKey, epoch);
        addCreateContext(leaseContext);
        setRequestedOplockLevel(SMB2_OPLOCK_LEVEL_LEASE);
    }

    /**

        switch (contextName) {
        case LeaseV1CreateContextRequest.CONTEXT_NAME: // "RqLs"
            return new LeaseV1CreateContextResponse();
        case LeaseV2CreateContextRequest.CONTEXT_NAME: // "RqL2"
            return new LeaseV2CreateContextResponse();
        case "DHnQ": // Durable Handle Request/Response
            return new jcifs.internal.smb2.persistent.DurableHandleResponse();