import type { Client as ElasticClient } from '@elastic/elasticsearch';
import type { BatchResult, SessionConfig } from './types.js';
import { Logger } from '../../core/observability/logger.js';
/**
 * Document session for managing document lifecycle
 *
 * Tracks documents during a session and can clean up stale ones at the end.
 */
export declare class DocumentSession<T = unknown> {
    private client;
    private index;
    private logger;
    private operations;
    private seenDocuments;
    private config;
    private startTimestamp;
    private isActive;
    constructor(client: ElasticClient, index: string, logger: Logger, config?: SessionConfig);
    /**
     * Start the session
     */
    start(): this;
    /**
     * Add a document (upsert - create or update)
     */
    upsert(documentId: string, document: T): this;
    /**
     * Create a document (fails if exists)
     */
    create(documentId: string, document: T): this;
    /**
     * Update a document (fails if doesn't exist)
     */
    update(documentId: string, document: T, version?: {
        seqNo: number;
        primaryTerm: number;
    }): this;
    /**
     * Delete a document
     */
    delete(documentId: string): this;
    /**
     * Commit the session and execute all operations
     */
    commit(): Promise<BatchResult>;
    /**
     * Rollback the session (discard all operations)
     */
    rollback(): void;
    /**
     * Execute batch operations
     */
    private executeBatch;
    /**
     * Clean up documents not seen in this session
     */
    private cleanupStaleDocuments;
    /**
     * Ensure session is active
     */
    private ensureActive;
    /**
     * Get session statistics
     */
    getStats(): {
        isActive: boolean;
        operationCount: number;
        seenDocumentCount: number;
        startTime: Date;
    };
}