/** @internal */
export type Locale = {
    code: string;
    language?: string;
};
/** @internal */
export type RouteName = string | symbol | null | undefined;
/** @internal */
export type RouteObject = {
    name?: RouteName;
    path?: string;
};
/** @internal */
export type HeadLocale = {
    /** Code used for route prefixing and argument in i18n utility functions. */
    code: string;
    /** User facing name */
    name?: string;
    /** Writing direction */
    dir?: 'ltr' | 'rtl' | 'auto';
    /** Language tag - see IETF's BCP47 - required when using SEO features */
    language?: string;
    /** Override default SEO catch-all and force this locale to be catch-all for its locale group */
    isCatchallLocale?: boolean;
};
/**
 * The browser locale code and match score
 * @internal
 */
export interface BrowserLocale {
    /** The locale code, such as BCP 47 (e.g `en-US`), or `ja` */
    code: string;
    /** The match score - used to sort multiple matched locales */
    score: number;
}