docs: public String unset_string(base_resource resrc, String id, options option, String args[], Boolean warning) throws Exception
  	{
  		String objstr;
  		String result = "{ ";
  		if ((option != null && option.get_action() != null) || (warning!=null && warning==true))
  		{
  		result = result + "\"params\":{";
  			
  			if (option != null)
  			{		
  				if(option.get_action() != null)
  				{	
  					result = result + "\"action\":\"" + option.get_action()+"\",";
  				}
  			}
  			if(warning != null && warning==true)
  			{
  				result = result + "\"warning\":\"yes\"";
  			}
  			result  = result + "},";
  		}
  		
  		if (id != null)
  			result = result + "\"sessionid\":\"" + id + "\",";
  		
  		result = result + "\"" + resrc.get_object_type() + "\": {" ;
  		objstr = nitro_util.object_to_string(resrc);
  		if(objstr != null) {
  			result = result + objstr+",";
  		}
  		
  		if (args != null) {
  		for(int i = 0; i < args.length ; i++) 
  		{
  			result = result + "\"" + args[i] + "\": true,";
  		}
  		}
  		result = result + "}," ;
  		result = result + "}";
  		return result;
  	}