export declare const DEFAULT_OTP_LENGTH = 6;
export declare const DEFAULT_OTP_EXPIRY = 10;
export declare const MAX_OTP_ATTEMPTS = 3;
export declare const OTP_BLOCK_DURATION = 30;
export declare const DEFAULT_OTP_OPTIONS: {
    length: number;
    expiry: number;
    caseSensitive: boolean;
    digits: boolean;
    lowerCaseAlphabets: boolean;
    upperCaseAlphabets: boolean;
    specialChars: boolean;
};
export declare const OTP_CACHE_PREFIX = "otp:";
export declare const OTP_ATTEMPTS_CACHE_PREFIX = "otp:attempts:";