/**
 * Localization.ts
 *
 * Multi-language string tables: interpolation, pluralization,
 * fallback chains, and locale switching.
 *
 * @module dialogue
 */
export interface LocaleData {
    locale: string;
    strings: Map<string, string>;
    pluralRules: Map<string, {
        zero?: string;
        one: string;
        few?: string;
        many?: string;
        other: string;
    }>;
}
export declare class Localization {
    private locales;
    private currentLocale;
    private fallbackLocale;
    private missingKeys;
    addLocale(locale: string, strings: Record<string, string>): void;
    addPluralRule(locale: string, key: string, rules: {
        zero?: string;
        one: string;
        few?: string;
        many?: string;
        other: string;
    }): void;
    setLocale(locale: string): boolean;
    setFallback(locale: string): void;
    getCurrentLocale(): string;
    getAvailableLocales(): string[];
    t(key: string, params?: Record<string, string | number>): string;
    plural(key: string, count: number, params?: Record<string, string | number>): string;
    private interpolate;
    getStringCount(locale?: string): number;
    getMissingKeys(): string[];
    clearMissingKeys(): void;
    hasKey(key: string, locale?: string): boolean;
    getCompletionPercentage(locale: string): number;
}
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