Module Types.HealthCheckRegion
type t=|Us_east_1|Us_west_1|Us_west_2|Eu_west_1|Ap_southeast_1|Ap_southeast_2|Ap_northeast_1|Sa_east_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