/**
 * LombokTableSheet i18n Framework Types
 * 6 languages: EN, ES, FR, DE, ZH (Simplified), JA (Japanese)
 */
export type Language = 'en' | 'es' | 'fr' | 'de' | 'zh' | 'ja';
export interface PluralRules {
    /** Return plural form index (0 = singular, 1 = plural, etc.) based on count */
    getPluralForm(count: number): number;
    /** Number of plural forms for this language (most have 1-2, some have 6) */
    nPlurals: number;
}
export interface FormattingOptions {
    locale: Language;
    decimal?: string;
    thousands?: string;
    dateFormat?: string;
    timeFormat?: string;
}
export interface TranslationKey {
    [key: string]: string | {
        [pluralForm: number]: string;
    };
}
export interface LanguageStrings {
    ui: {
        ok: string;
        cancel: string;
        save: string;
        delete: string;
        edit: string;
        add: string;
        close: string;
        yes: string;
        no: string;
        loading: string;
        error: string;
        success: string;
        warning: string;
    };
    messages: {
        welcome: string;
        goodbye: string;
        'no_data_available': string;
        'operation_successful': string;
        'operation_failed': string;
        'confirm_delete': string;
        'unsaved_changes': string;
    };
    formulas: {
        'anova_oneway': string;
        'anova_twoway': string;
        'sum': string;
        'average': string;
        'count': string;
        'min': string;
        'max': string;
    };
    plurals: {
        [key: string]: {
            [pluralForm: number]: string;
        };
    };
    errors: {
        'invalid_input': string;
        'empty_field': string;
        'out_of_range': string;
        'duplicate_value': string;
        'insufficient_data': string;
        'formula_error': string;
    };
}
export interface I18nOptions {
    defaultLanguage: Language;
    fallbackLanguage: Language;
    formatNumbers: boolean;
    formatDates: boolean;
    pluralization: boolean;
}
/** Number/date presentation defaults carried by each catalog. */
export interface CatalogFormatting {
    decimal_separator: string;
    thousands_separator: string;
    date_format: string;
    time_format: string;
}
/**
 * The on-disk shape of a language catalog (src/i18n/catalogs/<lang>.ts).
 *
 * Deliberately looser than `LanguageStrings`: `t()` resolves dot-notation
 * paths at runtime, so the manager only needs to know that the namespaces
 * exist and hold string maps. Keeping this permissive means adding a new
 * namespace to the catalogs does not require a type change here.
 */
export interface LanguageCatalog {
    language_code: string;
    language_name: string;
    direction: 'ltr' | 'rtl';
    plural_forms: number;
    ui: Record<string, string>;
    messages: Record<string, string>;
    formulas: Record<string, string>;
    errors: Record<string, string>;
    /** Ordered plural forms: index 0 = zero, 1 = singular, 2+ = plural. */
    plurals: Record<string, string[]>;
    formatting: CatalogFormatting;
}