import duration from "dayjs/plugin/duration";
import type { ApiTimeSpan } from "@leancodepl/api-date";
/**
 *This function handles at most milliseconds precision, smaller units are lost in conversion process
 */
export declare function toApiTimeSpan(duration: duration.Duration): ApiTimeSpan;
export declare function toApiTimeSpan(duration: duration.Duration | undefined): ApiTimeSpan | undefined;