docs: def store_object(self, container, obj_name, data, content_type=None,
              etag=None, content_encoding=None, ttl=None, return_none=False,
              chunk_size=None, headers=None, metadata=None, extra_info=None):
          """
          Creates a new object in the specified container, and populates it with
          the given data. A StorageObject reference to the uploaded file
          will be returned, unless 'return_none' is set to True.
  
          The 'extra_info' parameter is included for backwards compatibility. It
          is no longer used at all, and will not be modified with swiftclient
          info, since swiftclient is not used any more.
          """
          return self.create_object(container, obj_name=obj_name, data=data,
                  content_type=content_type, etag=etag,
                  content_encoding=content_encoding, ttl=ttl,
                  return_none=return_none, chunk_size=chunk_size,
                  headers=headers, metadata=metadata)