type AliasMap = Record<string, string>;
/** Load all saved session aliases from disk */
export declare function loadAliases(): AliasMap;
/** Persist an alias mapping to disk */
export declare function saveAlias(name: string, sessionId: string): void;
/** Remove an alias mapping from disk */
export declare function removeAlias(name: string): void;
/**
 * Resolve a session identifier to a concrete session ID.
 *
 * - Plain IDs like `s-abc123` pass through unchanged.
 * - `@name` looks up the alias file (throws if not found).
 * - `-` reads the last-used session (throws if none available).
 */
export declare function resolveSid(sid: string): string;
/** Save a session ID as the "last used" session */
export declare function saveLastSession(sessionId: string): void;
/** Read the last-used session ID, or undefined */
export declare function readLastSession(): string | undefined;
export {};
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