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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:
 def setup_blueprint(self):
 """Initialize the blueprint."""


        # Register endpoints.
        self.blueprint.add_url_rule("/", "status", self.status)
        self.blueprint.add_url_rule("/healthy", "health", self.healthy)
        self.blueprint.add_url_rule("/ready", "ready", self.ready)
        self.blueprint.add_url_rule("/threads", "threads", self.threads_bt)