Sexp_app.Semanticstype 'sexp query_meaning = 'sexp -> Core.Sexp.t Lazy_list.tval query : Syntax.Query.t -> Core.Sexp.t query_meaningval query' : Syntax.Query.t -> Sexp_ext.t query_meaningval change : Syntax.Change.t -> Core.Sexp.t -> Core.Sexp.t option