docs: def get_info(self):
          """
          Return plugin information.
  
          """
          plugin_infos = {}
          for pc in self.plugins:
              plugin_infos.update(pc.get_info())
          return {
              self.get_plugin_name() : {
                  "version"     : self.get_version(),
                  "sub-plugins" : plugin_infos,
                  "params" : {
                      "multi_plugins" : self.conf['multi_plugins']
                  },
              }
          }