(** Fully qualified relation reference: [mg:rel_name].

    The first colon separates the multigroup name from the relation name; any
    further colons are part of the relation name verbatim. *)

type t = {mg: string; name: string}

exception Unqualified of string

(** Splits on the first [:]. Raises [Unqualified] when no mg segment is present
    (i.e. no colon, or empty mg / empty name). *)
val parse : string -> t

val try_parse : string -> (t, Condition.t) result
val make : mg:string -> name:string -> t
val to_string : t -> string