def register_callbacks(self, on_create, on_modify, on_delete):
        self.on_create = on_create
        self.on_modify = on_modify
        self.on_delete = on_delete
Return True if this provider uses redirect url method,
dataset/ETHPy150Open SuperCowPowers/workbench/workbench/server/dir_watcher.py/DirWatcher.register_callbacks--crossover with--dataset/ETHPy150Open omab/python-social-auth/social/backends/base.py/BaseAuth.uses_redirect