(*
 * Copyright (c) Facebook, Inc. and its affiliates.
 *
 * This source code is licensed under the MIT license found in the
 * LICENSE file in the root directory of this source tree.
 *)

module Make : functor (_ : Env_sig.S) -> sig
  val key : allow_optional:bool -> ('loc, 't) Flow_ast.Expression.t -> Key.t option

  val get :
    allow_optional:bool -> Context.t -> ('loc, 't) Flow_ast.Expression.t -> ALoc.t -> Type.t option

  val key_of_pattern : allow_optional:bool -> ('loc, 't) Flow_ast.Pattern.t -> Key.t option

  val get_of_pattern :
    allow_optional:bool -> Context.t -> ('loc, 't) Flow_ast.Pattern.t -> ALoc.t -> Type.t option
end
