import { SupabaseClient } from '@supabase/supabase-js';
import { BaseDatabaseAdapter, IDatabaseConfig, IDatabaseHealth, IQueryResult, ITransaction } from '@bernierllc/database-adapter-core';
/**
 * Supabase-specific configuration
 */
export interface ISupabaseConfig {
    supabaseUrl?: string;
    supabaseAnonKey?: string;
    supabaseServiceKey?: string;
}
/**
 * PostgreSQL database adapter with Supabase support
 * Implements connection pooling, RLS, and real-time features
 */
export declare class PostgreSQLAdapter extends BaseDatabaseAdapter {
    private pool;
    private supabase;
    private rlsManager;
    private logger;
    constructor(config: IDatabaseConfig & ISupabaseConfig);
    /**
     * Connect to PostgreSQL with connection pooling
     */
    connect(): Promise<void>;
    /**
     * Disconnect and close pool
     */
    disconnect(): Promise<void>;
    /**
     * Execute query with RLS context
     */
    query<T = unknown>(sql: string, params?: unknown[]): Promise<IQueryResult<T>>;
    /**
     * Begin transaction with RLS context
     */
    beginTransaction(): Promise<ITransaction>;
    /**
     * Health check with connection pool stats
     */
    healthCheck(): Promise<IDatabaseHealth>;
    /**
     * Get Supabase client for real-time features
     */
    getSupabaseClient(): SupabaseClient | null;
    /**
     * Set RLS context for current operation
     */
    setRLSContext(userId: string, userRole: string, tenantId?: string): void;
    /**
     * Clear RLS context
     */
    clearRLSContext(): void;
    /**
     * Get current connection pool statistics
     */
    getPoolStats(): {
        total: number;
        idle: number;
        waiting: number;
    } | null;
    /**
     * Map PostgreSQL data type OID to name
     */
    private getDataTypeName;
}