/**
 * Fallback line-based chunker for unsupported file types
 */
import type { CodeBlock } from '../types/models.js';
export interface ChunkerOptions {
    chunkSize?: number;
    chunkOverlap?: number;
    minChunkSize?: number;
    allowTinyLastChunk?: boolean;
}
/**
 * Simple line-based chunker for files without Tree-sitter support
 */
export declare class FallbackChunker {
    private readonly defaultChunkSize;
    private readonly defaultOverlap;
    private readonly minChunkSize;
    /**
     * Chunk file content into blocks
     */
    chunk(filePath: string, content: string, language: string, options?: ChunkerOptions): CodeBlock[];
    /**
     * Chunk with smart boundary detection (try to split on blank lines)
     */
    chunkSmart(filePath: string, content: string, language: string, options?: ChunkerOptions): CodeBlock[];
}
export declare const fallbackChunker: FallbackChunker;
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