public DistributedRemoveAllOperation setRemoveAllOperation(DistributedRemoveAllOperation nv) {
    DistributedRemoveAllOperation result = removeAllOp;
    if (nv != null && nv.getBaseEvent() != null) {
      setCallbackArgument(nv.getBaseEvent().getCallbackArgument());
    }
    removeAllOp = nv;
    return result;
  }
return the putAll operation for this event, if any
geode-core/src/main/java/org/apache/geode/internal/cache/EntryEventImpl.java