class type[['a, 'b, 'c, 'd, 'e, 'f]]view_container_type =object..end
method global_view : ('a, 'b, 'c) DGraphView.view optionmethod tree_view : ('d, 'e, 'f) DGraphView.view optionmethod tree_root : 'a optionmethod depth_backward : intmethod depth_forward : intmethod status : statusmethod set_depth_backward : int -> unitmethod set_depth_forward : int -> unitmethod set_tree_root : 'a -> unitmethod switch : status -> unitmethod adapt_zoom : unit -> unit