export interface KnowledgeEntry {
    /** Relative path from knowledge root */
    path: string;
    /** Title from frontmatter */
    title: string;
    /** Tags from frontmatter */
    tags: string[];
    /** Full markdown content (without frontmatter) */
    content: string;
    /** zapret2 version from frontmatter */
    zapret2Version?: string;
    /** blockcheckw version from frontmatter */
    blockcheckwVersion?: string;
}
export declare class KnowledgeIndex {
    private knowledgeDir;
    private entries;
    private chunks;
    constructor(knowledgeDir: string);
    rebuild(): void;
    /**
     * Keyword-based search with chunk-level retrieval, intent detection, and context narrowing.
     * @param context - what the agent already knows/checked (used to deprioritize already-covered topics)
     */
    query(topic: string, maxTokens?: number, context?: string): KnowledgeEntry[];
    /** Get all entries (for listing) */
    all(): KnowledgeEntry[];
    private assembleResults;
    private detectIntent;
    /**
     * Adjust score based on context (what agent already knows).
     * Chunks heavily overlapping with context get deprioritized.
     * Chunks that add NEW information relative to context get boosted.
     */
    private contextAdjust;
    private intentBoost;
    private tokenize;
}