public LowMemoryException createLowMemoryIfNeeded(Function function,
      DistributedMember targetMember) {
    Set<DistributedMember> targetMembers = Collections.singleton(targetMember);
    return createLowMemoryIfNeeded(function, targetMembers);
  }
Deliver a memory event from one of the monitors to both local listeners and remote resource
managers. Also, if a critical event is received and a query monitor has been enabled, then the
query monitor will be notified.

Package private for testing.

@param event Event to process.
@param eventOrigin Indicates where the event originated e.g. notification vs polling
geode-core/src/main/java/org/apache/geode/internal/cache/control/HeapMemoryMonitor.java