Horde.DistributionStrategy.choose_node

You're seeing just the callback choose_node, go back to Horde.DistributionStrategy module for more information.
Link to this callback

choose_node(identifier, members)

View Source

Specs

choose_node(
  identifier :: String.t(),
  members :: [Horde.DynamicSupervisor.Member.t()]
) :: {:ok, Horde.DynamicSupervisor.Member.t()} | {:error, reason :: String.t()}