/**
 * Do not edit this file it is auto-generated by io-utils / gen-api-models.
 * See https://github.com/pagopa/io-utils
 */
import * as t from "io-ts";
export declare const MessageStatusChange: t.UnionC<[t.ExactC<t.IntersectionC<[t.TypeC<{
    change_type: t.Type<import("./MessageStatusReadingChange").Change_typeEnum, import("./MessageStatusReadingChange").Change_typeEnum, unknown>;
    is_read: t.LiteralC<true>;
}>, t.PartialC<{}>]>>, t.ExactC<t.IntersectionC<[t.TypeC<{
    change_type: t.Type<import("./MessageStatusArchivingChange").Change_typeEnum, import("./MessageStatusArchivingChange").Change_typeEnum, unknown>;
    is_archived: t.BooleanC;
}>, t.PartialC<{}>]>>, t.ExactC<t.IntersectionC<[t.TypeC<{
    change_type: t.Type<import("./MessageStatusBulkChange").Change_typeEnum, import("./MessageStatusBulkChange").Change_typeEnum, unknown>;
    is_archived: t.BooleanC;
}>, t.PartialC<{
    is_read: t.LiteralC<true>;
}>]>>]>;
export type MessageStatusChange = t.TypeOf<typeof MessageStatusChange>;