`sig
type t
val empty : Topkg.Private.Pkg.t
val name : Topkg.Private.Pkg.t -> string
val delegate : Topkg.Private.Pkg.t -> Topkg.Cmd.t option
val build_dir : Topkg.Private.Pkg.t -> Topkg.fpath
val readmes : Topkg.Private.Pkg.t -> Topkg.fpath list
val change_logs : Topkg.Private.Pkg.t -> Topkg.fpath list
val licenses : Topkg.Private.Pkg.t -> Topkg.fpath list
val opam : name:string -> Topkg.Private.Pkg.t -> Topkg.fpath
val distrib_uri : Topkg.Private.Pkg.t -> string option
val publish_artefacts :
Topkg.Private.Pkg.t -> [ `Alt of string | `Distrib | `Doc ] list
val lint_custom :
Topkg.Private.Pkg.t -> (unit -> Topkg.R.msg Topkg.result list) option
val lint_files : Topkg.Private.Pkg.t -> Topkg.fpath list option
val lint_metas : Topkg.Private.Pkg.t -> (Topkg.fpath * bool) list
val lint_opams :
Topkg.Private.Pkg.t -> (Topkg.fpath * bool * string list option) list
val codec : Topkg.Private.Pkg.t Topkg.Private.Codec.t
end`