code: public void setProperty(String key, String value)
    {
      if(key.equals(OutputKeys.METHOD))
      {
        setMethodDefaults(value);
      }
      
      if (key.startsWith(OutputPropertiesFactory.S_BUILTIN_OLD_EXTENSIONS_UNIVERSAL))
        key = OutputPropertiesFactory.S_BUILTIN_EXTENSIONS_UNIVERSAL
           + key.substring(OutputPropertiesFactory.S_BUILTIN_OLD_EXTENSIONS_UNIVERSAL_LEN);
      
      m_properties.put(key, value);
    }
docs: Set an output property.
  
  @param key the key to be placed into the property list.
  @param value the value corresponding to <tt>key</tt>.
  @see javax.xml.transform.OutputKeys