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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 indication(self, *args, **kwargs):
 """Downstream packet, send to current terminal."""

        if not self.current_terminal:
            raise RuntimeError("no active terminal")
        if not isinstance(self.current_terminal, Server):
            raise RuntimeError("current terminal not a server")

        self.current_terminal.indication(*args, **kwargs)