code: @Nullable
    @ReturnsMutableCopy
    public static byte [] safeDecode (@Nullable final byte [] aEncodedBytes,
                                      @Nonnegative final int nOfs,
                                      @Nonnegative final int nLen)
    {
      return safeDecode (aEncodedBytes, nOfs, nLen, DONT_GUNZIP);
    }
docs: Decode the byte array.
  
  @param aEncodedBytes
  The encoded byte array.
  @param nOfs
  The offset of where to begin decoding
  @param nLen
  The number of characters to decode
  @return <code>null</code> if decoding failed.