long nodeInstanceId = stream.readLong();
NodeInstance groupNodeInstance = processInstance.getNodeInstance(nodeInstanceId);
if (groupNodeInstance == null) {
throw new IllegalArgumentException("Could not find node instance when deserializing exclusive group instance: " + nodeInstanceId);
}
exclusiveGroupInstance.addNodeInstance(groupNodeInstance);
}
}
break;
case PersisterEnums.FOR_EACH_NODE_INSTANCE: