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class CompressionTools {
  /** Compresses the String value using the specified
   *  compressionLevel (constants are defined in
   *  java.util.zip.Deflater). */
  public static byte[] compressString(String value, int compressionLevel) {
    UnicodeUtil.UTF8Result result = new UnicodeUtil.UTF8Result();
    UnicodeUtil.UTF16toUTF8(value, 0, value.length(), result);
    return compress(result.result, 0, result.length, compressionLevel);
  }

}