`type t````=`

`|` `Command of Command.t` | (** A disabled key is essentially a command that prevents the default handler of that key (by returning `Event.Prevent_default`), and does nothing else. Users can choose to omit disabled keys from the help menu. *)
`|` `Disabled_key of Incr_dom_widgets.Keystroke.t`

``
`include sig ... end`
`val t_of_sexp : Base.Sexp.t ‑> t`
`val sexp_of_t : t ‑> Base.Sexp.t`
`val command : Command.t ‑> t`
`val disabled_key : Incr_dom_widgets.Keystroke.t ‑> t`
`module Variants : sig ... end`
`val get_help_text : t ‑> Incr_dom_widgets.Help_text.Command.t`