include S with module Id := Id
include Sexplib0.Sexpable.S with type t := t
val t_of_sexp : Sexplib0__.Sexp.t -> t
include Json_object.S_with_fields with type t := t
val sexp_of_t : t -> Sexplib0.Sexp.t
include Jsonaf.Jsonafable.S with type t := t
val t_of_jsonaf : Jsonaf_kernel__.Type.t -> t
val jsonaf_of_t : t -> Jsonaf_kernel__.Type.t
val get_field : t -> string -> Jsonaf.t option
val get_field_exn : t -> string -> Jsonaf.t
val field_map : t -> Jsonaf.t Core.Map.M(Core.String).t
val relationship_id : t -> Id.t
val date : t -> Core.Time_ns.t