/**
 * AST-aware Chunker for Codebase RAG (v2.0.0)
 *
 * Intelligently chunks source code by semantic boundaries (classes, functions, interfaces)
 * rather than arbitrary line counts, maximizing the relevance of context given to the LLM.
 */
export type ChunkType = 'class' | 'function' | 'interface' | 'variable' | 'unknown';
export interface CodeChunk {
    /** Absolute or relative path to the file */
    filePath: string;
    /** Semantic type of the chunk */
    type: ChunkType;
    /** Name of the extracted symbol (e.g., class name or function name) */
    name: string;
    /** Raw source code content of the chunk */
    content: string;
    /** 1-indexed starting line number */
    startLine: number;
    /** 1-indexed ending line number */
    endLine: number;
}
export declare class ASTChunker {
    /**
     * Chunk a file into semantic pieces.
     * Uses TypeScript AST for .ts/.js files if installed, otherwise uses basic line-based chunking.
     */
    chunkFile(filePath: string, content: string): Promise<CodeChunk[]>;
    private chunkTypeScript;
    private createChunkFromNode;
    /**
     * Fallback naive chunking mechanism (splits every ~100 lines)
     * Useful for unparseable files or text documents.
     */
    private naiveChunk;
}
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