docs: public static HashinatorSnapshotData retrieveHashinatorConfig(
              String path, String nonce, int hostId, VoltLogger logger) throws IOException {
          HashinatorSnapshotData hashData = null;
          String expectedFileName = constructHashinatorConfigFilenameForNonce(nonce, hostId);
          File[] files = new VoltFile(path).listFiles();
          if (files != null) {
              for (File file : files) {
                  if (file.getName().equals(expectedFileName)) {
                      hashData = new HashinatorSnapshotData();
                      hashData.restoreFromFile(file);
                      break;
                  }
              }
          }
          if (hashData == null) {
              throw new IOException("Missing hashinator data in snapshot");
          }
          return hashData;
      }