final List<StopCallback> stopCallbacks = new ArrayList<StopCallback>();
View onExprView;
Map<ExprSubselectNode, SubSelectStrategyHolder> subselectStrategies;
AggregationService aggregationService = null;
EvalRootState optPatternRoot;
try {
if (services.getSchedulableAgentInstanceDirectory() != null) {
services.getSchedulableAgentInstanceDirectory().add(agentInstanceContext.getEpStatementAgentInstanceHandle());
}