/**
 * Details of a running connector, published so that a separately-started MCP
 * process can attach to it without probing the network.
 */
export interface SessionInfo {
    port: number;
    token: string;
    pid: number;
    startedAt: string;
    version: string;
}
export declare function generateToken(): string;
export declare function sessionDir(): string;
export declare function sessionFilePath(): string;
/** Writes the session file with owner-only permissions — it contains a token. */
export declare function writeSessionFile(info: SessionInfo): void;
export declare function readSessionFile(): SessionInfo | null;
export declare function clearSessionFile(): void;
/** Constant-time comparison so token checks cannot be timed. */
export declare function tokensMatch(a: string, b: string): boolean;