/**
 * @private
 */
export declare function convertToArray(locale: string | string[]): string[];
/**
 * @private
 */
export declare function convertToString(locale: string | string[]): string;
type MaybeLocale = string[] | string | null | undefined;
/**
 * @private
 */
export declare function hasLocaleChanged(locale1: string[], locale2: MaybeLocale): boolean;
/**
 * @private
 */
export declare function normalizeLocale(locale: string): string;
export {};
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