/**
 * AST-aware code chunking using tree-sitter (WASM).
 *
 * Parses source files into syntax trees and extracts meaningful code constructs
 * (functions, classes, methods, structs, etc.) as individual chunks. Gaps between
 * extracted nodes are captured as file-level chunks when substantial.
 */
import type { Chunk, TreeSitterLanguage } from "./types.js";
/**
 * Initialize the tree-sitter WASM runtime. Must be called before parsing.
 * Safe to call multiple times — subsequent calls are no-ops.
 */
export declare function initTreeSitter(): Promise<void>;
/**
 * Parse a source file with tree-sitter and extract AST-aware chunks.
 *
 * Returns chunks for functions, classes, methods, and other language-specific
 * constructs, plus file-level chunks for substantial gaps between them.
 *
 * @param content - Raw source code text
 * @param filePath - Relative file path (stored in chunk metadata)
 * @param language - Tree-sitter language identifier
 */
export declare function chunkWithTreeSitter(content: string, filePath: string, language: TreeSitterLanguage): Promise<Chunk[]>;
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