import type { AuthProvider, User } from '@bounded-sh/core';
import type { Transaction, VersionedTransaction } from '@solana/web3.js';
export declare class GuestAuthProvider implements AuthProvider {
    private loginInternal;
    login(): Promise<User | null>;
    /** @internal Stage a guest session without exposing mixed provider/user state. */
    loginForProviderSwitch(): Promise<User | null>;
    private tokenIsGuest;
    private restoreSessionInternal;
    restoreSession(): Promise<User | null>;
    /** @internal Reconcile an applied-yet-error guest mint before committing a switch. */
    restoreSessionForProviderSwitch(): Promise<User | null>;
    logout(): Promise<void>;
    /** Wipe the device key — the next login() is a brand-new guest identity. */
    forgetGuest(): Promise<void>;
    signMessage(message: string): Promise<string>;
    signTransaction(_t: Transaction | VersionedTransaction): Promise<Transaction | VersionedTransaction>;
    signAndSubmitTransaction(): Promise<string>;
    getNativeMethods(): Promise<any>;
}