type t = | Single of string| Multi of string list
include Ppx_jsonaf_conv_lib.Jsonafable.S with type t := t
val t_of_jsonaf : Jsonaf_kernel__.Type.t -> tval jsonaf_of_t : t -> Jsonaf_kernel__.Type.tval sexp_of_t : t -> Sexplib0.Sexp.tval multi : string list -> tval is_single : t -> boolval single_val : t -> string optionval multi_val : t -> string list option