object
method descr : string
method get_field : 'a Wp.Tactical.field -> 'a
method id : string
method params : Wp.Tactical.parameter list
method reset : unit
method select :
Wp.Tactical.feedback -> Wp.Tactical.selection -> Wp.Tactical.status
method set_field : 'a Wp.Tactical.field -> 'a -> unit
method title : string
end