code: public void setIso6392(String iso6392) {
      if(iso6392 != null) {
        iso6392 = iso6392.trim();
      }
      this.iso6392 = iso6392;
    }
docs: Set ISO-639-2 code for the detected language.
  <p/>
  For more information on ISO-639-2: @see <a href="http://en.wikipedia.org/wiki/ISO_639-2">http://en.wikipedia.org/wiki/ISO_639-2</a></a>
  
  @param iso6392 ISO-639-2 code for the detected language