import { Session } from '../types.js';
export declare class SessionManager {
    private sessionPath;
    private session;
    private passwordBuf;
    private timeoutMinutes;
    private maxExtensions;
    constructor(sessionPath: string, timeoutMinutes?: number, maxExtensions?: number);
    init(): Promise<void>;
    create(password: string): Promise<Session>;
    load(password?: string): Promise<Session | null>;
    isValid(): Promise<boolean>;
    extend(): Promise<Session | null>;
    destroy(): Promise<void>;
    getPassword(): string | null;
    private setPasswordBuf;
    private clearPasswordBuf;
    getSession(): Session | null;
    getRemainingTime(): number;
}
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