export interface LoreChunk {
    id: string;
    title: string;
    content: string;
    startLine: number;
    endLine: number;
    section: string;
    subsection?: string;
}
export interface TokenEntry {
    token: string;
    chunks: Array<{
        chunkId: string;
        frequency: number;
        positions: number[];
    }>;
    totalFrequency: number;
}
export interface LoreIndex {
    chunks: Record<string, LoreChunk>;
    unigrams: Record<string, TokenEntry>;
    digraphs: Record<string, TokenEntry>;
    metadata: {
        totalChunks: number;
        totalTokens: number;
        totalDigraphs: number;
        lastUpdated: string;
        sourceFile: string;
    };
}
export interface SearchResult {
    chunk: LoreChunk;
    score: number;
    matchedTokens: string[];
    context: string;
}
/**
 * Build complete lore index from markdown file
 */
export declare function buildLoreIndex(filePath: string): LoreIndex;
/**
 * Search the lore index for relevant chunks
 */
export declare function searchLore(index: LoreIndex, query: string, limit?: number): SearchResult[];
/**
 * Get lore index statistics for debugging
 */
export declare function getLoreStats(index: LoreIndex): any;