Ace_types.annotation
method row : int Js_of_ocaml.Js.prop
method column : int Js_of_ocaml.Js.prop
method text : Js_of_ocaml.Js.js_string Js_of_ocaml.Js.t Js_of_ocaml.Js.prop
method type_ : Js_of_ocaml.Js.js_string Js_of_ocaml.Js.t Js_of_ocaml.Js.prop