/**
 * Get the plural category for a number in a given locale
 */
export declare function getPluralCategory(n: number, locale: string): PluralCategory;
/**
 * Get the plural rule function for a locale
 */
export declare function getPluralRule(locale: string): PluralRule;
/**
 * Parse a plural string into its forms
 *
 * Supports formats:
 * - "one | other" (simple)
 * - "zero | one | other" (with zero)
 * - "{0} item | {0} items" (with placeholders)
 * - "no items | one item | {n} items" (with special forms)
 */
export declare function parsePluralForms(str: string, separator?: string): Map<PluralCategory, string>;
/**
 * Select the appropriate plural form for a count
 */
export declare function selectPluralForm(forms: Map<PluralCategory, string>, count: number, locale: string): string;
/**
 * Get all supported locales for pluralization
 */
export declare function getSupportedPluralLocales(): string[];
/**
 * Check if a locale has custom plural rules
 */
export declare function hasPluralRule(locale: string): boolean;
/**
 * Add a custom plural rule for a locale
 */
export declare function addPluralRule(locale: string, rule: PluralRule): void;
/**
 * Pluralization Rules
 *
 * Implements CLDR plural rules for various languages.
 * @see https://cldr.unicode.org/index/cldr-spec/plural-rules
 */
export type PluralCategory = 'zero' | 'one' | 'two' | 'few' | 'many' | 'other';
export type PluralRule = (_n: number) => PluralCategory;