Stargate.Receiver.pull_permit

You're seeing just the function pull_permit, go back to Stargate.Receiver module for more information.
Link to this function

pull_permit(receiver, count)

View Source

Specs

pull_permit(GenServer.server(), non_neg_integer()) :: :ok | {:error, term()}

Sends a permit request to the Pulsar cluster via the provided websocket process connection. Used for consumers in pull mode to release up to the requested number of messages to be returned when available.