declare const WEBHOOK_EVENTS: {
    readonly OTP_GENERATED: "otp-generated";
    readonly OTP_BULK_GENERATED: "bulk-otp-generated";
};

type WebhookEvent = typeof WEBHOOK_EVENTS[keyof typeof WEBHOOK_EVENTS];
interface OtpOptions {
    length?: number;
    chars?: string;
}
interface BulkOtpOptions extends OtpOptions {
}
type WebhookHandler = (event: WebhookEvent, data: Record<string, unknown>) => void | Promise<void>;
declare const setWebhookHandler: (handler: WebhookHandler) => void;
declare const otpGen: () => Promise<string>;
declare const customOtpGen: ({ length, chars, }?: OtpOptions) => Promise<string>;
declare const bulkOtpGen: (count?: number, opts?: BulkOtpOptions) => Promise<string[]>;

export { type BulkOtpOptions, type OtpOptions, WEBHOOK_EVENTS, type WebhookEvent, type WebhookHandler, bulkOtpGen, customOtpGen, otpGen, setWebhookHandler };