<SYSTEM_TASK:>
Solve the following problem using Python, implementing the functions described below, one line at a time
<END_TASK>
<USER_TASK:>
Description:
 def dump(self, config, instance, file_object, prefer=None, **kwargs):
 """ An abstract method that dumps to a given file object. :param class config: The config class of the instance :param object instance: The instance to dump :param file file_object: The file object to dump to :param str prefer: The preferred serialization module name """


        file_object.write(self.dumps(config, instance, prefer=prefer, **kwargs))