Snap.Indexes.alias

You're seeing just the function alias, go back to Snap.Indexes module for more information.
Link to this function

alias(cluster, index, alias, opts \\ [])

View Source

Specs

alias(module(), String.t(), String.t(), Keyword.t()) ::
  :ok | Snap.Cluster.error()

Creates an alias for a versioned index, removing any existing aliases.