/**
 * Storage module for Shakespeare auth persistence
 * Stores NIP-46 connection state in ~/.config/shakespeare/auth.json
 */
export interface AuthState {
    /** Client's secret key (nsec format) for relay communication */
    clientSecretKey: string;
    /** Client's public key (hex) */
    clientPubkey: string;
    /** Remote signer's public key (hex) */
    bunkerPubkey: string;
    /** User's actual public key (hex) - may differ from bunkerPubkey */
    userPubkey: string;
    /** Relays used for NIP-46 communication */
    relays: string[];
    /** Timestamp when connection was established */
    connectedAt: number;
    /** Permissions granted by the bunker */
    permissions: string[];
}
/**
 * Load stored auth state
 * @returns Auth state if exists, null otherwise
 */
export declare function loadAuthState(): AuthState | null;
/**
 * Save auth state to disk
 * @param state - Auth state to persist
 */
export declare function saveAuthState(state: AuthState): void;
/**
 * Clear stored auth state (disconnect)
 * @returns true if state was cleared, false if no state existed
 */
export declare function clearAuthState(): boolean;
/**
 * Check if user is authenticated
 */
export declare function isAuthenticated(): boolean;
/**
 * Get the config directory path
 */
export declare function getConfigDir(): string;
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