import { type IntlShape } from "react-intl";
/**
 * A duration broken into displayable parts. Kept as plain numbers so the translated string can
 * be assembled separately, in whichever locale is active.
 * @internal
 */
export interface IDurationParts {
    minutes: number;
    /** Seconds remainder, rounded to one decimal place when there are no whole minutes. */
    seconds: number;
}
/**
 * Splits a millisecond duration into minutes/seconds, keeping one decimal place of precision
 * below a minute (0.2, 13.6), so a short step doesn't collapse to "0".
 * @internal
 */
export declare function computeDurationParts(ms: number): IDurationParts;
/**
 * Formats a millisecond duration as a translated string, e.g. "0.2s", "13.6s", "1m 5s", "1m".
 * @internal
 */
export declare function formatDuration(intl: IntlShape, ms: number): string;
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