public long getBatchWriteRetryWait() {
   return TimeValue.parseTimeValue(
           getProperty(ES_BATCH_WRITE_RETRY_WAIT, ES_BATCH_WRITE_RETRY_WAIT_DEFAULT))
       .getMillis();
 }
 public long getScrollKeepAlive() {
   return TimeValue.parseTimeValue(getProperty(ES_SCROLL_KEEPALIVE, ES_SCROLL_KEEPALIVE_DEFAULT))
       .getMillis();
 }
 public long getHttpTimeout() {
   return TimeValue.parseTimeValue(getProperty(ES_HTTP_TIMEOUT, ES_HTTP_TIMEOUT_DEFAULT))
       .getMillis();
 }