/**
 * @nahisaho/musubix-codegraph - AST Parser
 *
 * Tree-sitter based AST parser for code entity extraction
 * Enhanced with ExtractorRegistry for 16-language support (v2.3.2)
 *
 * @see REQ-CG-AST-001 - Multi-language support
 * @see REQ-CG-AST-002 - Entity extraction
 * @see REQ-CG-AST-003 - Relation extraction
 * @see REQ-CG-MULTILANG-001 to REQ-CG-MULTILANG-013 (v2.3.2)
 * @see DES-CG-002
 * @see TSK-CG-003, TSK-CG-010
 */
import type { Language, ParseResult, ParserOptions } from '../types.js';
/**
 * AST Parser using Tree-sitter
 * Enhanced with ExtractorRegistry for multi-language support (v2.3.2)
 */
export declare class ASTParser {
    private options;
    private parser;
    private languages;
    private initialized;
    private useExtractors;
    constructor(options?: Partial<ParserOptions>);
    /**
     * Initialize tree-sitter and load language grammars
     * Now supports 16 languages via ExtractorRegistry
     */
    private ensureInitialized;
    /**
     * Load grammar for a specific language
     */
    private loadGrammar;
    /**
     * Load all available grammars
     */
    private loadAvailableGrammars;
    /**
     * Parse a source file
     */
    parseFile(filePath: string): Promise<ParseResult>;
    /**
     * Parse source code content
     * Enhanced to use ExtractorRegistry for 16-language support
     */
    parseContent(content: string, language: Language, filePath?: string): Promise<ParseResult>;
    /**
     * Parse using ExtractorRegistry (v2.3.2)
     * Supports 16 languages with unified interface
     */
    private parseWithExtractor;
    /**
     * Parse using tree-sitter
     */
    private parseWithTreeSitter;
    /**
     * Extract entities from AST node recursively
     */
    private extractFromNode;
    /**
     * Extract entity from a single AST node
     */
    private extractEntity;
    /**
     * Create entity with required metadata
     */
    private createEntity;
    /**
     * Create relation with required weight and metadata
     */
    private createRelation;
    /**
     * Map AST node type to entity type
     */
    private getEntityType;
    /**
     * Find the name node within an entity node
     */
    private findNameNode;
    /**
     * Extract docstring from node
     */
    private extractDocstring;
    /**
     * Extract relations from node
     */
    private extractRelations;
    /**
     * Fallback regex-based parsing
     * Enhanced in v3.0.7 to support all 16 languages
     */
    private parseWithRegex;
    /**
     * Extract TypeScript/JavaScript entities (v3.0.7)
     */
    private extractTypeScriptEntities;
    /**
     * Extract Python entities (v3.0.7)
     */
    private extractPythonEntities;
    /**
     * Extract C/C++ entities (v3.0.7)
     */
    private extractCEntities;
    /**
     * Extract Rust entities (v3.0.7)
     */
    private extractRustEntities;
    /**
     * Extract Go entities (v3.0.7)
     */
    private extractGoEntities;
    /**
     * Extract Java entities (v3.0.7)
     */
    private extractJavaEntities;
    /**
     * Extract C# entities (v3.0.7)
     */
    private extractCSharpEntities;
    /**
     * Extract PHP entities (v3.0.7)
     */
    private extractPhpEntities;
    /**
     * Extract Ruby entities (v3.0.7)
     */
    private extractRubyEntities;
    /**
     * Extract Kotlin entities (v3.0.7)
     */
    private extractKotlinEntities;
    /**
     * Extract Swift entities (v3.0.7)
     */
    private extractSwiftEntities;
    /**
     * Extract Scala entities (v3.0.7)
     */
    private extractScalaEntities;
    /**
     * Extract Lua entities (v3.0.7)
     */
    private extractLuaEntities;
    /**
     * Extract HCL (Terraform) entities (v3.0.7)
     */
    private extractHclEntities;
    /**
     * Get supported languages
     * Now returns all 16 supported languages (v2.3.2)
     */
    getSupportedLanguages(): Language[];
    /**
     * Check if a language is supported
     */
    isLanguageSupported(language: Language): boolean;
    /**
     * Preload all extractors for faster parsing
     */
    preloadExtractors(): Promise<void>;
}
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