export declare enum ErrorMessages {
    INVALID_OPTION_VALUE = 0,
    UNDEFINED_REQUIRED_VALUE = 1,
    UNKNOWN_OPTION = 2
}
export declare const VALUES: {
    API_BASE: string;
    _AVAILABLE_FLAGS: string[];
    _AVAILABLE_CATEGORIES: string[];
};
/**
 * Wrapper for console.log with optional logging
 * @private
 */
export declare const log: (...message: any[]) => void;
interface SettingsType {
    /**
     * To turn on "safe mode" on JokeAPI (introduced in v2.3.0)
     * @default false
     */
    safeMode: boolean;
    /**
     * If set true, the responses will be processed by the package itself.
     * This means, every request to the API will return a new Promise, resolves to the actual data you requested, or an error.
     * @default false
     * @important Works with json data type only
     */
    handleResponsesInternally: boolean;
    /**
     * Toggle logging.
     * @default false
     */
    logging: boolean;
}
export declare const SETTINGS: SettingsType;
export {};