docs: def store_output_files(self, dir_path):
          """Store OSLOM output files to a directory."""
          if self.last_result:
              for entry in os.listdir(self.last_result["output_dir"]):
                  path = os.path.join(self.last_result["output_dir"], entry)
                  if os.path.isfile(path):
                      shutil.copy(path, os.path.join(dir_path, entry))
              shutil.copy(
                  self.get_path(OslomRunner.SEED_FILE),
                  os.path.join(dir_path, OslomRunner.SEED_FILE))
              args_file = os.path.join(dir_path, OslomRunner.ARGS_FILE)
              with open(args_file, "w") as writer:
                  writer.write("{}\n".format(" ".join(self.last_result["args"])))
              self.id_remapper.store_mapping(
                  os.path.join(dir_path, OslomRunner.IDS_MAPPING_FILE))