@adonis-agora/agent/dist/src/rag/reranking-retriever.d.ts

Governed, durable-backed AI agent (chat + tool-calling + governance) for AdonisJS — part of the Agora ecosystem.

import type { Reranker } from '../spi/reranker.js';
import type { Passage, RetrieveOptions, Retriever } from '../spi/retriever.js';
export interface RerankingRetrieverOptions {
    /** How many candidates to pull from the base retriever before reranking. Default 20. */
    fetchTopK?: number;
}
/**
 * Two-stage retrieval: over-fetch cheap candidates from a base {@link Retriever}, then reorder them with
 * a stronger {@link Reranker} and keep the top few. The standard precision boost — a fast first stage
 * casts a wide net, a slow accurate second stage sharpens it. Composes over ANY retriever (vector,
 * hybrid, keyword), and is itself a `Retriever` so it drops straight into the config's `retriever` slot.
 * Mirrors the reference `RerankingRetriever` exactly.
 */
export declare class RerankingRetriever implements Retriever {
    private readonly base;
    private readonly reranker;
    private readonly options;
    constructor(base: Retriever, reranker: Reranker, options?: RerankingRetrieverOptions);
    retrieve(query: string, options?: RetrieveOptions): Promise<Passage[]>;
}
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