type OtpSignerFunctions = {
    /** Whether the OTP signer currently requires authentication (OTP verification). */
    needsAuth: boolean;
    /** Sends a one-time password to the user (via email or phone, depending on the signer type). */
    sendOtp: () => Promise<void>;
    /** Verifies the one-time password entered by the user. */
    verifyOtp: (otp: string) => Promise<void>;
    /** Rejects the current authentication request with an error. */
    reject: (error: Error) => void;
};
/**
 * Hook for managing OTP-based signer authentication flows.
 * Provides OTP send/verify functions for wallets using an email or phone signer.
 * Must be used within a {@link CrossmintWalletProvider}.
 */
declare function useWalletOtpSigner(): OtpSignerFunctions;

export { type OtpSignerFunctions, useWalletOtpSigner };