export declare const messages: {
    readonly apiKeyRequired: "API key is required. Provide it via auth.apiKey, options.apiKey, or set the ARTU_API_KEY environment variable.";
    readonly invalidEnvironment: "Invalid environment: \"{environment}\". Must be \"test\" or \"live\".";
    readonly unsupportedLocale: "Unsupported locale: \"{locale}\". Supported locales: {supportedLocales}.";
};
export type SDKMessageKey = keyof typeof messages;