import * as x from 'x-value';
import type { CronExpression, ObjectIdString, RateExpression, cronExpressionSymbol, objectIdSymbol, rateExpressionSymbol } from '../x-value/index.js';
declare global {
    namespace XValue {
        interface Using extends UsingXData {
        }
    }
}
export type UsingXData = {
    'x-data': XDataTypes;
};
export type XDataTypes = x.ExtendedJSONValueTypes & {
    [objectIdSymbol]: ObjectIdString;
    [cronExpressionSymbol]: CronExpression;
    [rateExpressionSymbol]: RateExpression;
};
export declare const xData: x.Medium<UsingXData>;