public int waitForSize() {
      try {
        waitForRepliesUninterruptibly();
      } catch (ReplyException e) {
        Throwable cause = e.getCause();
        if (cause instanceof RegionDestroyedException) {
          throw (RegionDestroyedException) cause;
        }
        throw e;
      }
      return returnValue;
    }
@return wait for and return the size
geode-core/src/main/java/org/apache/geode/internal/cache/tx/RemoteSizeMessage.java