import { PoolClient } from 'pg';
import { ITransaction, IQueryResult, RLSContextManager } from '@bernierllc/database-adapter-core';
import { Logger } from '@bernierllc/logger';
/**
 * PostgreSQL transaction implementation with RLS context support
 */
export declare class PostgreSQLTransaction implements ITransaction {
    private client;
    private _rlsManager;
    id: string;
    private active;
    private logger?;
    constructor(client: PoolClient, _rlsManager: RLSContextManager, logger?: Logger);
    /**
     * Execute query within transaction
     */
    query<T = unknown>(sql: string, params?: unknown[]): Promise<IQueryResult<T>>;
    /**
     * Commit transaction and release client
     */
    commit(): Promise<void>;
    /**
     * Rollback transaction and release client
     */
    rollback(): Promise<void>;
    /**
     * Create a savepoint within the transaction
     */
    savepoint(name: string): Promise<void>;
    /**
     * Rollback to a savepoint
     */
    rollbackToSavepoint(name: string): Promise<void>;
    /**
     * Release a savepoint
     */
    releaseSavepoint(name: string): Promise<void>;
    /**
     * Check if transaction is still active
     */
    isActive(): boolean;
    /**
     * Map PostgreSQL data type OID to name
     */
    private getDataTypeName;
}