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();