IB_CME_CONNECTION_REQUEST_PENDING_PRIVATE_DATA
ib_cm_event == IB_CME_CONNECTION_REQUEST_PENDING_PRIVATE_DATA) {
case IB_CME_CONNECTION_REQUEST_PENDING_PRIVATE_DATA: {
case IB_CME_CONNECTION_REQUEST_PENDING_PRIVATE_DATA:
case IB_CME_CONNECTION_REQUEST_PENDING_PRIVATE_DATA: