public void setDiskDirs(File[] diskDirs) {
    if (diskDirs == null) {
      this.diskDirs = null;
      diskDirSize = null;
      return;
    }
    this.diskDirs = diskDirs;
  }
A properties object used to create persistent/overflow regions for testing objects

@since GemFire 5.1
geode-junit/src/main/java/org/apache/geode/internal/cache/DiskRegionProperties.java