<SYSTEM_TASK:>
Solve the following problem using Python, implementing the functions described below, one line at a time
<END_TASK>
<USER_TASK:>
Description:
 def __register_notifiers(self):
 """Lists all notifiers to be able to provide metadata for the frontend Returns: `list` of `dict` """

        notifiers = {}
        for entry_point in CINQ_PLUGINS['cloud_inquisitor.plugins.notifiers']['plugins']:
            cls = entry_point.load()
            notifiers[cls.notifier_type] = cls.validation

        return notifiers