code: public static mps_image[] get_filtered(nitro_service service, String filter) throws Exception
  	{
  		mps_image obj = new mps_image();
  		options option = new options();
  		option.set_filter(filter);
  		mps_image[] response = (mps_image[]) obj.getfiltered(service, option);
  		return response;
  	}
docs: Use this API to fetch filtered set of mps_image resources.
  filter string should be in JSON format.eg: "vm_state:DOWN,name:[a-z]+"