/**
 * Adapter Factory - Centralized database adapter creation
 * Extracts adapter creation logic for reuse across MCP and HTTP modes
 */
import type { DbAdapter, DbConfig } from '../types/adapter.js';
/**
 * Supported database types
 */
export type DbType = 'mysql' | 'postgres' | 'redis' | 'oracle' | 'dm' | 'sqlserver' | 'mongodb' | 'sqlite' | 'kingbase' | 'gaussdb' | 'oceanbase' | 'tidb' | 'clickhouse' | 'polardb' | 'vastbase' | 'highgo' | 'goldendb';
/**
 * Normalize database type aliases to canonical names
 */
export declare function normalizeDbType(type: string): DbType;
/**
 * Validate database configuration
 */
export declare function validateDbConfig(config: DbConfig): void;
/**
 * Create database adapter based on configuration
 */
export declare function createAdapter(config: DbConfig): DbAdapter;
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