public @NotNull Map<String, Long> getArchiveCrcHashes() throws IOException {
    try (@NotNull ResourceHandle<ZipFile> handle = acquireZipHandle()) {
      ZipFile file = handle.get();
      Enumeration<? extends ZipEntry> entries = file.entries();
      Map<String, Long> result = new Object2LongOpenHashMap<>();
      while (entries.hasMoreElements()) {
        ZipEntry entry = entries.nextElement();
        result.put(normalizeName(entry.getName()), entry.getCrc());
      }
      return result;
    }
  }
public @NotNull Map<String, Long> getArchiveCrcHashes()