@Override
    public String toString() {
      return "SystemMemberCacheMessage (region='"
          + regionPath
          + "'; sender="
          + sender
          + "; op="
          + op
          + ")";
    }
This class processes the message to be delivered to admin node. [This needs to be redesigned and
reimplemented... see 32887]

@since GemFire 5.0
geode-core/src/main/java/org/apache/geode/admin/internal/SystemMemberCacheEventProcessor.java