import { Indexer } from "../indexer/indexer.js";
/**
 * Manages multiple Indexer instances (one per registered repo).
 * Indexers are lazily created on first access and cached for reuse.
 */
export declare class IndexerPool {
    private indexers;
    private indexPromises;
    /**
     * Get an Indexer for the given repo name.
     *
     * - If repoName is provided, resolves that specific repo from the registry.
     * - If repoName is omitted and exactly one repo is registered, uses that one.
     * - If repoName is omitted and multiple repos exist, throws with guidance.
     */
    getIndexer(repoName?: string): Indexer;
    /**
     * Wait for the indexer's initial indexing to complete.
     * Returns immediately if the indexer hasn't been created yet (lazy).
     */
    waitForIndex(repoName?: string): Promise<void>;
    listRepos(): string[];
    close(): void;
}