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