type t = | Us_east_1 |
| Us_east_2 |
| Us_west_1 |
| Us_west_2 |
| Ca_central_1 |
| Eu_west_1 |
| Eu_west_2 |
| Eu_west_3 |
| Eu_central_1 |
| Ap_southeast_1 |
| Ap_southeast_2 |
| Ap_northeast_1 |
| Ap_northeast_2 |
| Ap_northeast_3 |
| Eu_north_1 |
| Sa_east_1 |
| Cn_north_1 |
| Cn_northwest_1 |
| Ap_east_1 |
| Me_south_1 |
| Ap_south_1 |
| Af_south_1 |
| Eu_south_1 |
val str_to_t : (string * t) listval t_to_str : (t * string) listval to_string : t -> stringval of_string : string -> tval make : 'a -> unit -> 'aval parse : Ezxmlm.nodes -> t optionval to_query : t -> Aws.Query.tval to_json : t -> Aws.Json.tval of_json : Aws.Json.t -> t