tempChecksumFile.deleteOnExit();
            wagon.get(remotePath + checksumFileExtension, tempChecksumFile);
            byte[] bytes = Files.readAllBytes(tempChecksumFile.toPath());
            String expectedChecksum = new String(bytes, StandardCharsets.UTF_8);

            // remove whitespaces at the end
            expectedChecksum = expectedChecksum.trim();

            resultData.setTransformerName(name);
            // Apply transformation rules
            try (InputStream is = responseData.getResponseBody()) {
                byte[] bytes = is.readAllBytes();
                String content = new String(bytes);
                for (Map.Entry<String, String> rule : transformationRules.entrySet()) {
                    content = content.replaceAll(rule.getKey(), rule.getValue());

    }
    return result;
  }

  /**
   * Reads all bytes from an input stream into a byte array. Does not close the stream.
   *
   * <p><b>Java 9+ users:</b> use {@code in#readAllBytes()} instead.
   *
   * @param in the input stream to read from
   * @return a byte array containing all the bytes from the stream
   * @throws IOException if an I/O error occurs
   */

    return asByteSink(file, modes).asCharSink(charset);
  }

  /**
   * Reads all bytes from a file into a byte array.
   *
   * <p><b>{@link java.nio.file.Path} equivalent:</b> {@link java.nio.file.Files#readAllBytes}.
   *
   * @param file the file to read from
   * @return a byte array containing all the bytes from file
   * @throws IllegalArgumentException if the file is bigger than the largest possible byte array

    return asByteSink(file, modes).asCharSink(charset);
  }

  /**
   * Reads all bytes from a file into a byte array.
   *
   * <p><b>{@link java.nio.file.Path} equivalent:</b> {@link java.nio.file.Files#readAllBytes}.
   *
   * @param file the file to read from
   * @return a byte array containing all the bytes from file
   * @throws IllegalArgumentException if the file is bigger than the largest possible byte array