/**
 * Adapter Factory - Creates database-specific adapters
 *
 * This factory is responsible for instantiating the correct adapter
 * based on the database type.
 */
import { DatabaseType } from '../types/enums';
import { BaseAdapter } from './base.adapter';
/**
 * Factory class for creating database adapters
 */
export declare class AdapterFactory {
    /** Cache of adapter constructors for each database type */
    private adapterConstructors;
    /**
     * Create a new adapter for the specified database type
     *
     * @param type Database type
     * @returns New adapter instance
     * @throws DatabaseError if database type is not supported
     *
     * @example
     * const factory = new AdapterFactory();
     * const adapter = factory.create(DatabaseType.POSTGRESQL);
     */
    create(type: DatabaseType): BaseAdapter;
    /**
     * Check if a database type is supported
     *
     * @param type Database type to check
     * @returns Whether the type is supported
     */
    isSupported(type: DatabaseType | string): boolean;
    /**
     * Get list of supported database types
     *
     * @returns Array of supported database type strings
     */
    getSupportedTypes(): DatabaseType[];
    /**
     * Register a custom adapter for a database type
     * Allows extending the factory with custom adapters
     *
     * @param type Database type
     * @param AdapterConstructor Adapter class constructor
     *
     * @example
     * class CustomPostgresAdapter extends PostgreSQLAdapter {
     *   // Custom implementation
     * }
     *
     * factory.registerAdapter(DatabaseType.POSTGRESQL, CustomPostgresAdapter);
     */
    registerAdapter(type: DatabaseType, AdapterConstructor: new () => BaseAdapter): void;
    /**
     * Unregister an adapter for a database type
     *
     * @param type Database type to unregister
     * @returns Whether the adapter was unregistered
     */
    unregisterAdapter(type: DatabaseType): boolean;
}