Private.Logsval setup :
?reporter:Logs.reporter ->
?style_renderer:Fmt.style_renderer ->
?level:Logs.level ->
(module Platform.CLOCK) ->
(module Platform.FMT_TTY) ->
unitval setup_term :
?reporter:Logs.reporter ->
(module Platform.CLOCK) ->
(module Platform.FMT_TTY) ->
unit Cmdliner.Term.t