Possible values for a session configuration option. (Unstable)
Untagged union: either a flat list of options (ungrouped) or a list of groups. Represented as {:ungrouped, [option]} or {:grouped, [group]}.
{:ungrouped, [option]}
{:grouped, [group]}
@type t() :: {:ungrouped, [ACP.SessionConfigSelectOption.t()]} | {:grouped, [ACP.SessionConfigSelectGroup.t()]}