export interface HrZone {
    zone: number;
    name: string;
    low: number;
    high: number;
}
export interface PowerZone {
    zone: number;
    name: string;
    low: number;
    high: number;
}
export interface PaceZone {
    zone: string | number;
    name: string;
    pace: string;
    offset?: number;
}
export type Theme = "dark" | "light";
export interface Settings {
    theme: Theme;
    units: {
        swim: "meters" | "yards";
        bike: "kilometers" | "miles";
        run: "kilometers" | "miles";
    };
    firstDayOfWeek: "monday" | "sunday";
    run: {
        lthr: number;
        hrZones: HrZone[];
        thresholdPace: string;
        paceZones: PaceZone[];
    };
    bike: {
        lthr: number;
        hrZones: HrZone[];
        ftp: number;
        powerZones: PowerZone[];
    };
    swim: {
        css: string;
        cssSeconds: number;
        paceZones: PaceZone[];
    };
}
export declare function loadSettings(): Settings;
export declare function saveSettings(settings: Settings): void;
export declare function paceToSeconds(pace: string): number;
export declare function secondsToPace(seconds: number): string;
export declare function recalculateHrZones(lthr: number): HrZone[];
export declare function recalculatePowerZones(ftp: number): PowerZone[];
export declare function recalculateRunPaceZones(thresholdPace: string): PaceZone[];
export declare function recalculateSwimPaceZones(css: string): PaceZone[];