Error: This expression has type
         (('a, 'b, 'c, 'd,
           < setState : (('b Js.t -> 'c Js.t -> 'd Js.t) ->
                         ('a Js.t, unit -> unit) Js.meth_callback -> unit)
                        Js.meth;
             .. >
           as 'e)
          Reactjs.Low_level_bindings.component_api, 'f, 'g, 'h, 'i, 'j, 'k,
          'l, 'm, 'n, 'o)
         Reactjs.class_spec -> Reactjs.Low_level_bindings.react_class Js.t
       but an expression was expected of type
         (< props : < get : 'jsoo_res; .. > Js.gen_prop; .. > as 'p, 'q,
          < some_words : Js.js_string Js.t Js.readonly_prop >, 'r, 's, 't,
          'u, 'v, 'w, 'x, 'y)
         Reactjs.class_spec -> 'z
       Type
         ('a, 'b, 'c, 'd, 'e) Reactjs.Low_level_bindings.component_api =
           'e Js.t
       is not compatible with type
         < props : < get : 'jsoo_res; .. > Js.gen_prop; .. > as 'p