/**
 * Unified formatter using native Intl API
 * Supports all major locales with minimal code
 */
/**
 * Format numbers with locale-specific rules
 */
export declare function formatNumber(value: number, locale: string, options?: Intl.NumberFormatOptions): string;
/**
 * Format currency with locale-specific rules
 */
export declare function formatCurrency(value: number, locale: string, currency?: string, options?: Intl.NumberFormatOptions): string;
/**
 * Format dates with locale-specific rules
 */
export declare function formatDate(date: Date | number | string, locale: string, options?: Intl.DateTimeFormatOptions): string;
/**
 * Format time with locale-specific rules
 */
export declare function formatTime(date: Date | number | string, locale: string, options?: Intl.DateTimeFormatOptions): string;
/**
 * Format relative time (e.g., "2 days ago", "in 3 hours")
 */
export declare function formatRelativeTime(value: number, unit: Intl.RelativeTimeFormatUnit, locale: string, options?: Intl.RelativeTimeFormatOptions): string;
/**
 * Format lists (e.g., "A, B, and C")
 */
export declare function formatList(items: string[], locale: string, type?: 'conjunction' | 'disjunction' | 'unit'): string;
/**
 * Preset formats for common use cases
 */
export declare const FORMATS: {
    readonly number: {
        readonly default: {};
        readonly decimal: {
            readonly minimumFractionDigits: 2;
            readonly maximumFractionDigits: 2;
        };
        readonly percent: {
            readonly style: "percent";
        };
        readonly compact: {
            readonly notation: "compact";
        };
        readonly scientific: {
            readonly notation: "scientific";
        };
        readonly engineering: {
            readonly notation: "engineering";
        };
    };
    readonly date: {
        readonly short: Intl.DateTimeFormatOptions;
        readonly medium: Intl.DateTimeFormatOptions;
        readonly long: Intl.DateTimeFormatOptions;
        readonly full: Intl.DateTimeFormatOptions;
        readonly yearMonth: Intl.DateTimeFormatOptions;
        readonly monthDay: Intl.DateTimeFormatOptions;
        readonly weekday: Intl.DateTimeFormatOptions;
    };
    readonly time: {
        readonly short: Intl.DateTimeFormatOptions;
        readonly medium: Intl.DateTimeFormatOptions;
        readonly long: Intl.DateTimeFormatOptions;
        readonly hour: Intl.DateTimeFormatOptions;
        readonly hourMinute: Intl.DateTimeFormatOptions;
        readonly hourMinuteSecond: Intl.DateTimeFormatOptions;
    };
    readonly dateTime: {
        readonly short: {
            readonly dateStyle: "short";
            readonly timeStyle: "short";
        };
        readonly medium: {
            readonly dateStyle: "medium";
            readonly timeStyle: "medium";
        };
        readonly long: {
            readonly dateStyle: "long";
            readonly timeStyle: "long";
        };
    };
};