val expert_kind_of_node : 'a Incremental__.Node.t -> 'a Incremental__Types.Expert.t Incremental__.Import.Uopt.t
val create : t -> on_observability_change:(is_now_observable:bool -> unit) -> (unit -> 'a) -> 'a Incremental__.Node.t
val currently_running_node_exn : t -> string -> Incremental__.Node.Packed.t
val assert_currently_running_node_is_child : t -> 'a Incremental__.Node.t -> string -> unit
val assert_currently_running_node_is_parent : t -> 'a Incremental__.Node.t -> string -> unit
val make_stale : 'a Incremental__.Node.t -> unit
val invalidate : 'a Incremental__.Node.t -> unit
val add_dependency : 'a Incremental__.Node.t -> 'b Incremental.Expert.edge -> unit
val remove_dependency : 'a Incremental__.Node.t -> 'b Incremental.Expert.edge -> unit