@Override
  public long getTimeInterval() {
    return timeInterval;
  }
Returns the number of milliseconds that can elapse before unwritten data is written to disk. If
this <code>DiskWriteAttributes</code> configures synchronous writing, then
<code>timeInterval</code> has no meaning.
geode-core/src/main/java/org/apache/geode/internal/cache/DiskWriteAttributesImpl.java