@Override
  protected void appendFields(StringBuilder buff) {
    super.appendFields(buff);
    buff.append("; removeAllDataCount=").append(removeAllDataCount);
    if (bridgeContext != null) {
      buff.append("; bridgeContext=").append(bridgeContext);
    }
    for (int i = 0; i < removeAllDataCount; i++) {
      buff.append("; entry" + i + ":")
          .append(removeAllData[i] == null ? "null" : removeAllData[i].getKey());
    }
  }
This method is called by both operateOnLocalRegion() when processing a remote msg or by
sendMsgByBucket() when processing a msg targeted to local Jvm. LocalRegion Note: It is very
important that this message does NOT cause any deadlocks as the sender will wait indefinitely
for the acknowledgment

@param r region
@param eventSender the endpoint server who received request from client
@return If succeeds, return true, otherwise, throw exception
geode-core/src/main/java/org/apache/geode/internal/cache/tx/RemoteRemoveAllMessage.java