export declare const SystemOfMeasurement: {
    readonly Si: "SI";
    readonly UsCustomary: "US_CUSTOMARY";
};
export declare const TimeZonePreference: {
    readonly CustomTimeZone: "CUSTOM_TIME_ZONE";
    readonly LocalTimeZone: "LOCAL_TIME_ZONE";
    readonly MachineTimeZone: "MACHINE_TIME_ZONE";
};
/**
 * The user's preferred clock format for displaying times.
 *
 * - `LanguageDefault`: derive 12H/24H from the active language/locale (default).
 * - `TwelveHour`: always display times using a 12-hour clock (AM/PM).
 * - `TwentyFourHour`: always display times using a 24-hour clock.
 */
export declare const TimeFormat: {
    readonly LanguageDefault: "LANGUAGE_DEFAULT";
    readonly TwelveHour: "TWELVE_HOUR";
    readonly TwentyFourHour: "TWENTY_FOUR_HOUR";
};
export type SystemOfMeasurementType = (typeof SystemOfMeasurement)[keyof typeof SystemOfMeasurement];
export type TimeZonePreferenceType = (typeof TimeZonePreference)[keyof typeof TimeZonePreference];
export type TimeFormatType = (typeof TimeFormat)[keyof typeof TimeFormat];
export interface CurrentUserPreferenceState {
    language?: string;
    setLanguage?: (language: string) => void;
    timeZonePreference?: TimeZonePreferenceType;
    setTimeZonePreference?: (timeZonePreference: TimeZonePreferenceType) => void;
    customTimezone?: string | null;
    systemOfMeasurement?: SystemOfMeasurementType;
    setSystemOfMeasurement?: (systemOfMeasurement: SystemOfMeasurementType) => void;
    timeFormat?: TimeFormatType;
    setTimeFormat?: (timeFormat: TimeFormatType) => void;
}
export interface CurrentUserPreferenceRuntimeApi {
    getCurrentUserLanguage: () => Promise<string>;
    getCurrentUserTimeZonePreference: () => Promise<TimeZonePreferenceType>;
    getCurrentUserCustomTimezone: () => Promise<string | null>;
    getCurrentUserSystemOfMeasurement: () => Promise<SystemOfMeasurementType>;
    getCurrentUserTimeFormat: () => Promise<TimeFormatType>;
}