/**
 * Tree-sitter AST parsing for accurate code analysis.
 * Uses web-tree-sitter (WASM-based, no native compilation).
 * Falls back to regex-based parsing if grammars unavailable.
 *
 * Supported languages: TypeScript, JavaScript, Python, Go, Java, Rust, C/C++
 */
export interface ASTSymbol {
    name: string;
    type: 'function' | 'class' | 'method' | 'interface' | 'enum' | 'variable' | 'type' | 'module' | 'struct' | 'trait';
    startLine: number;
    endLine: number;
    exported: boolean;
    params?: string[];
    returnType?: string;
    docComment?: string;
    /** Methods inside classes, etc. */
    children?: ASTSymbol[];
}
export interface CallGraphEntry {
    caller: string;
    callee: string;
    file: string;
    line: number;
}
export interface ScopeInfo {
    name: string;
    type: string;
    startLine: number;
    endLine: number;
    variables: string[];
    children: ScopeInfo[];
}
/**
 * Initialize tree-sitter. Call once at startup.
 * @returns True if initialization succeeded
 */
export declare function initTreeSitter(): Promise<boolean>;
/**
 * Check if tree-sitter is available and ready.
 * @returns True if tree-sitter has been initialized
 */
export declare function isTreeSitterReady(): boolean;
/**
 * Get supported languages for tree-sitter.
 * @returns Array of supported language names
 */
export declare function getTreeSitterLanguages(): string[];
/**
 * Parse a file into an AST and extract symbols.
 * Falls back to null if tree-sitter isn't available for this language.
 * @param filePath - Path to the source file
 * @param language - The programming language
 * @returns Array of AST symbols or null if parsing unavailable
 */
export declare function parseAST(filePath: string, language: string): Promise<ASTSymbol[] | null>;
/**
 * Extract call graph from a file -- which functions call which.
 * @param filePath - Path to the source file
 * @param language - The programming language
 * @returns Array of call graph entries or null if parsing unavailable
 */
export declare function extractCallGraph(filePath: string, language: string): Promise<CallGraphEntry[] | null>;
/**
 * Extract scope information from a file.
 * @param filePath - Path to the source file
 * @param language - The programming language
 * @returns Array of scope information or null if parsing unavailable
 */
export declare function extractScopes(filePath: string, language: string): Promise<ScopeInfo[] | null>;
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