val min_ocaml_edition : string
val current_ocaml_edition : string
val current_dune_version : string
val default_synopsis : name:string -> string
val default_description : name:string -> string
val min_drom_version : string
val verbosity : int Stdlib.ref
val opam_switch_prefix : string option
val find_ancestor_file :
string ->
(dir:string -> path:string -> 'a) ->
'b option
val opam_root : unit -> string
val verbose : int -> bool
val default_ci_systems : string list