sig
type t
val of_expr : Benl_types.expr -> Query.t
val of_string : string -> Query.t
val to_string : ?escape:bool -> Query.t -> string
val fields : Benl_base.Fields.t -> Query.t -> Benl_base.Fields.t
val eval : ([> `source ] as 'a) -> 'a Package.t -> Query.t -> bool
val eval_source : [ `source ] Package.t -> Query.t -> bool
val eval_binary : [ `binary ] Package.t -> Query.t -> bool
end