@Override
  public void setDiskUsageWarningPercentage(float diskUsageWarningPercentage) {
    super.setDiskUsageWarningPercentage(diskUsageWarningPercentage);
    setHasDiskUsageWarningPercentage(true);
  }
Returns whether or not this <code>DiskStoreCreation</code> is equivalent to another
<code>DiskStore</code>.
geode-core/src/main/java/org/apache/geode/internal/cache/xmlcache/DiskStoreAttributesCreation.java