import type * as Vital from "../../api/index.js";
import * as core from "../../core/index.js";
import type * as serializers from "../index.js";
export declare const PeriodUnit: core.serialization.Schema<serializers.PeriodUnit.Raw, Vital.PeriodUnit>;
export declare namespace PeriodUnit {
    type Raw = "minute" | "hour" | "day" | "week" | "month" | "year";
}