public static Collection<PdxType> getPdxTypes(String dsName, File[] dsDirs) throws Exception {
    try {
      DiskStoreImpl dsi = createForOffline(dsName, dsDirs);
      return dsi.getPdxTypes();
    } finally {
      cleanupOffline();
    }
  }
Use this method to destroy a region in an offline disk store.

@param dsName the name of the disk store
@param dsDirs the directories that that the disk store wrote files to
@param regName the name of the region to destroy
geode-core/src/main/java/org/apache/geode/internal/cache/DiskStoreImpl.java