Yggdrasil.Subscriber.Adapter.stop

You're seeing just the function stop, go back to Yggdrasil.Subscriber.Adapter module for more information.
Link to this function

stop(pid, reason \\ :normal, timeout \\ :infinity)

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Specs

stop(pid() | GenServer.name(), term(), :infinity | pos_integer()) :: :ok

Generic subscriber adapter stopper that receives the pid and optional reason and timeout.