code: def available_datasets(self):
          
          res = self.resolution
          coordinates = ['pixel_longitude', 'pixel_latitude']
          for var_name, val in self.file_content.items():
              if isinstance(val, netCDF4.Variable):
                  ds_info = {
                      'file_type': self.filetype_info['file_type'],
                      'resolution': res,
                  }
                  if not self.is_geo:
                      ds_info['coordinates'] = coordinates
                  yield DatasetID(name=var_name, resolution=res), ds_info
docs: Automatically determine datasets provided by this file