code: public void writeBean(ThirdPartyParseable bean, EndianAwareDataOutputStream os){
  		if(bean==null)throw new NullPointerException();
  		ensureContextInstantiatedForWriting(os,bean);
  		try{bean.describeFormat(this);}
  		catch(UnrecognizedFormatException e){e.printStackTrace();}//Shouldn't happen.
  		popBean();
  		}
docs: Write ThirdPartyParseable bean to the given EndianAwareDataOutputStream.
  @param bean
  @param os
  @since Sep 17, 2012