/**
 * ORM Adapter Registry — Spec 15 R2
 *
 * Singleton registry for ORM adapters. Follows the same pattern as
 * LanguageRegistry: adapters register by name + file extensions, and
 * the registry resolves the correct adapter for a given file.
 */
import type { OrmAdapter } from './types.js';
export declare class OrmAdapterRegistry {
    private static instance;
    private adapters;
    private extensionMap;
    private constructor();
    static getInstance(): OrmAdapterRegistry;
    /**
     * Register an ORM adapter.
     */
    registerAdapter(adapter: OrmAdapter): void;
    /**
     * Get adapter by name.
     */
    getAdapter(name: string): OrmAdapter | null;
    /**
     * Get adapter for a file based on its extension.
     * Falls back to content-based detection via supportsFile.
     */
    getAdapterForFile(filePath: string): OrmAdapter | null;
    /**
     * Get all registered adapters.
     */
    getAllAdapters(): OrmAdapter[];
    /**
     * Check if any registered adapter handles this file.
     */
    hasAdapterForFile(filePath: string): boolean;
    /**
     * Clear all registered adapters (useful in tests).
     */
    clear(): void;
}
//# sourceMappingURL=adapterRegistry.d.ts.map