/**
 * index_docs Tool
 *
 * Scans a directory of markdown files, chunks them, embeds them,
 * and stores them in the doc index for semantic search.
 *
 * Supports incremental indexing: only re-processes changed files.
 */
import type { Project } from "../types/index.js";
export interface IndexDocsParams {
    directory: string;
    project?: Project;
    exclude?: string[];
    force?: boolean;
    clear?: boolean;
}
export interface IndexDocsResult {
    directory: string;
    project: string;
    files_scanned: number;
    files_changed: number;
    files_unchanged: number;
    chunks_indexed: number;
    chunks_embedded: number;
    errors: number;
    categories: Record<string, number>;
    display: string;
}
export declare function indexDocs(params: IndexDocsParams): Promise<IndexDocsResult>;
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