/**
 * SDK Session Manager — generates and persists session ID.
 * Stored in sessionStorage (clears on tab close).
 */
import type { SessionMeta } from '../types.js';
export declare function initSession(source?: 'demo' | 'client' | 'script-tag'): void;
export declare function getSessionId(): string;
export declare function getSessionMeta(): SessionMeta;
export declare function getSessionDuration(): number;
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