/**
 * Markdown Documentation Index Module
 *
 * Provides Markdown file search using:
 * - Heading-based section parsing
 * - Local text embeddings for semantic similarity
 * - Structure-aware chunking
 *
 * Supported file types: .md
 *
 * Index location: .raggrep/index/docs/markdown/
 */
import { IndexModule, IndexContext, SearchContext, SearchOptions, FileIndex, SearchResult, ModuleConfig } from "../../../types";
/** Default minimum similarity score for search results */
export declare const DEFAULT_MIN_SCORE = 0.15;
/** Default number of results to return */
export declare const DEFAULT_TOP_K = 10;
/** File extensions supported by this module */
export declare const MARKDOWN_EXTENSIONS: string[];
/**
 * Check if a file is supported by this module.
 */
export declare function isMarkdownFile(filepath: string): boolean;
export declare const supportsFile: typeof isMarkdownFile;
/**
 * Module-specific data stored alongside file index
 */
export interface MarkdownModuleData {
    embeddings: number[][];
    embeddingModel: string;
    headings: string[];
    [key: string]: unknown;
}
export declare class MarkdownModule implements IndexModule {
    readonly id = "docs/markdown";
    readonly name = "Markdown Search";
    readonly description = "Markdown documentation search with section-aware indexing";
    readonly version = "1.0.0";
    supportsFile(filepath: string): boolean;
    private embeddingConfig;
    private symbolicIndex;
    private pendingSummaries;
    private rootDir;
    private logger;
    initialize(config: ModuleConfig): Promise<void>;
    indexFile(filepath: string, content: string, ctx: IndexContext): Promise<FileIndex | null>;
    finalize(ctx: IndexContext): Promise<void>;
    search(query: string, ctx: SearchContext, options?: SearchOptions): Promise<SearchResult[]>;
}