interface SecondsDurationParts {
    value: number;
    unit: string;
}
export interface DurationParseOptions {
    /** Unit assumed for a bare number with no suffix. Defaults to seconds. */
    defaultUnit?: "s" | "m";
    /** When true, 0 is accepted (used by flags where 0 means "disabled"). */
    allowZero?: boolean;
}
export declare function parseSecondsDurationParts(s: string, opts?: DurationParseOptions): SecondsDurationParts | null;
export declare function parseDurationToSeconds(s: string, defaultSeconds: number, opts?: DurationParseOptions): number;
export {};