/**
 * @nahisaho/musubix-codegraph - Extractor Registry
 *
 * Registry for language-specific extractors with lazy loading support
 *
 * @see REQ-CG-REG-001
 * @see DES-CG-REGISTRY
 * @see TSK-CG-002
 */
import type { Language } from '../../types.js';
import type { BaseExtractor } from './base-extractor.js';
type ExtractorFactory = () => Promise<BaseExtractor>;
/**
 * Registry for language extractors
 *
 * Supports lazy loading to minimize memory footprint
 */
declare class ExtractorRegistry {
    private readonly extractors;
    private readonly factories;
    private readonly loading;
    /**
     * Register an extractor instance directly
     */
    register(language: Language, extractor: BaseExtractor): void;
    /**
     * Register a lazy extractor factory
     * The factory will be called only when the extractor is first requested
     */
    registerFactory(language: Language, factory: ExtractorFactory): void;
    /**
     * Get an extractor for a language
     * Returns undefined if not registered
     */
    getExtractor(language: Language): Promise<BaseExtractor | undefined>;
    /**
     * Get an extractor synchronously (returns undefined if not yet loaded)
     */
    getExtractorSync(language: Language): BaseExtractor | undefined;
    /**
     * Check if an extractor is registered for a language
     */
    hasExtractor(language: Language): boolean;
    /**
     * Get all registered languages
     */
    getRegisteredLanguages(): Language[];
    /**
     * Get all loaded extractors
     */
    getLoadedExtractors(): Map<Language, BaseExtractor>;
    /**
     * Preload all extractors
     */
    preloadAll(): Promise<void>;
    /**
     * Clear all registered extractors
     */
    clear(): void;
}
export declare const extractorRegistry: ExtractorRegistry;
/**
 * Register all language extractors
 * Uses lazy loading to minimize initial load time
 */
export declare function registerAllExtractors(): void;
export type { BaseExtractor, LanguageConfig, SyntaxTree, SyntaxNode } from './base-extractor.js';
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