code: def store(self, config_file):
          
  
          selfcopy = copy.deepcopy(self)
          selfcopy.filter_exports()
  
          with open(config_file, 'w') as outf:
              yaml.dump(
                  selfcopy.node,
                  outf,
                  width=80,
                  indent=4,
                  default_flow_style=False,
                  Dumper=ConfigDumper)
docs: Store the configuration dictionary to a file.