public static byte @NotNull [] getOrInitIndexedHash(@NotNull FileContentImpl content) {
    byte[] hash = content.getIndexedFileHash();
    if (hash != null) return hash;
    byte[] contentHash = getBinaryContentHash(content.getContent());
    hash = calculateIndexedHash(content, contentHash);
    content.setIndexedFileHash(hash);
    return hash;
  }
public static byte @NotNull [] getOrInitIndexedHash(@NotNull FileContentImpl content)