import { Static } from '@sinclair/typebox';
/**
 * Duration, formatted according to RFC 3339 (to use in u-audio, u-video).
 *
 * @see [duration - indieweb.org](https://indieweb.org/duration)
 * @see [Appendix A. ISO 8601 Collected ABNF - Date and Time on the Internet: Timestamps (RFC 3339)](https://datatracker.ietf.org/doc/html/rfc3339#appendix-A)
 * @see [Ajv Formats](https://ajv.js.org/packages/ajv-formats.html#formats)
 */
export declare const dt_duration: import("@sinclair/typebox").TString;
export type DT_Duration = Static<typeof dt_duration>;
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