export declare const defaultLocale = "en";
export declare const locales: string[];
/**
 * To reference the CLDR meridiems for each supported locale navigate to:
 * https://github.com/unicode-org/cldr-json/tree/main/cldr-json/cldr-dates-full/main,
 * click {locale}/ca-generic.json and drill down to main.{locale}.dates.calendars.generic.dayPeriods.format.abbreviated.
 */
export declare const localizedTwentyFourHourMeridiems: Map<string, {
    am: string;
    pm: string;
} | {
    am: string;
    pm: string;
} | {
    am: string;
    pm: string;
} | {
    am: string;
    pm: string;
} | {
    am: string;
    pm: string;
} | {
    am: string;
    pm: string;
} | {
    am: string;
    pm: string;
} | {
    am: string;
    pm: string;
} | {
    am: string;
    pm: string;
} | {
    am: string;
    pm: string;
} | {
    am: string;
    pm: string;
} | {
    am: string;
    pm: string;
} | {
    am: string;
    pm: string;
} | {
    am: string;
    pm: string;
} | {
    am: string;
    pm: string;
} | {
    am: string;
    pm: string;
} | {
    am: string;
    pm: string;
} | {
    am: string;
    pm: string;
} | {
    am: string;
    pm: string;
} | {
    am: string;
    pm: string;
} | {
    am: string;
    pm: string;
} | {
    am: string;
    pm: string;
} | {
    am: string;
    pm: string;
} | {
    am: string;
    pm: string;
}>;
export declare const numberingSystems: readonly ["arab", "arabext", "latn"];
export declare const supportedLocales: readonly string[];
export type NumberingSystem = (typeof numberingSystems)[number];
export type SupportedLocale = (typeof supportedLocales)[number];
export declare const defaultNumberingSystem: "arab" | "arabext" | "latn";
export declare const getSupportedNumberingSystem: (numberingSystem: string) => NumberingSystem;
/**
 * Gets the locale that best matches the context.
 *
 * @param locale – the BCP 47 locale code
 */
export declare function getSupportedLocale(locale: string): SupportedLocale;
/**
 * Gets the locale that best matches the context for date formatting.
 *
 * Intl date formatting has some quirks with certain locales. This handles those quirks by mapping a locale to another for date formatting.
 *
 * @see https://github.com/Esri/calcite-design-system/issues/9387
 *
 * @param locale – the BCP 47 locale code
 * @returns {string} a BCP 47 locale code
 */
export declare function getDateFormatSupportedLocale(locale: string): string;
export interface NumberStringFormatOptions extends Intl.NumberFormatOptions {
    numberingSystem: NumberingSystem;
    locale: string;
}
/** This util formats and parses numbers for localization */
export declare class NumberStringFormat {
    /**
     * The actual group separator for the specified locale.
     * White-space group separators are changed to the non-breaking space (nbsp) unicode character.
     * so we replace them with a normal <SPACE>.
     */
    private _actualGroup;
    /** the corrected group separator */
    private _group;
    get group(): string;
    private _decimal;
    get decimal(): string;
    private _minusSign;
    get minusSign(): string;
    private _digits;
    get digits(): Array<string>;
    private _getDigitIndex;
    private _numberFormatter;
    get numberFormatter(): Intl.NumberFormat;
    private _numberFormatOptions;
    get numberFormatOptions(): NumberStringFormatOptions;
    /** numberFormatOptions needs to be set before localize/delocalize is called to ensure the options are up to date */
    set numberFormatOptions(options: NumberStringFormatOptions);
    delocalize: (numberString: string) => string;
    localize: (numberString: string) => string;
}
export declare const numberStringFormatter: NumberStringFormat;
export type LocaleDateTimeOptionKey = string;
/**
 * Exported for testing purposes only.
 *
 * @private
 */
export declare let dateTimeFormatCache: Map<LocaleDateTimeOptionKey, Intl.DateTimeFormat>;
/**
 * Returns an instance of Intl.DateTimeFormat and reuses it if requested with the same locale and options.
 *
 * **Note**: the cache will be cleared if a different locale is provided
 *
 * @private
 */
export declare function getDateTimeFormat(locale: string, options?: Intl.DateTimeFormatOptions): Intl.DateTimeFormat;