@Override
    public void beforeCreate(EntryEvent event) throws CacheWriterException {
      if (!oneDestroy) {
        fail("destroy should have arrived in writer before create");
      } else {
        if (oneCreate) {
          fail("more than one create detected! expecting destroy then create");
        } else {
          oneCreate = true;
        }
      }
    }
@return first key found on the given member
geode-cq/src/distributedTest/java/org/apache/geode/internal/cache/RemoteCQTransactionDUnitTest.java