/**
 * This file was auto-generated by Fern from our API Definition.
 */
import * as environments from "../../../../environments";
import * as core from "../../../../core";
import * as Vectara from "../../../index";
export declare namespace Rerankers {
    interface Options {
        environment?: core.Supplier<environments.VectaraEnvironment | environments.VectaraEnvironmentUrls>;
        token?: core.Supplier<core.BearerToken | undefined>;
        /** Override the x-api-key header */
        apiKey?: core.Supplier<string | undefined>;
        fetcher?: core.FetchFunction;
    }
    interface RequestOptions {
        /** The maximum time to wait for a response in seconds. */
        timeoutInSeconds?: number;
        /** The number of times to retry the request. Defaults to 2. */
        maxRetries?: number;
        /** A hook to abort the request. */
        abortSignal?: AbortSignal;
        /** Override the x-api-key header */
        apiKey?: string | undefined;
        /** Additional headers to include in the request. */
        headers?: Record<string, string>;
    }
}
/**
 * List rerankers for reranking search results
 */
export declare class Rerankers {
    protected readonly _options: Rerankers.Options;
    constructor(_options?: Rerankers.Options);
    /**
     * Rerankers are used to improve the ranking (ordering) of search results.
     *
     * @param {Vectara.RerankersListRequest} request
     * @param {Rerankers.RequestOptions} requestOptions - Request-specific configuration.
     *
     * @throws {@link Vectara.ForbiddenError}
     *
     * @example
     *     await client.rerankers.list({
     *         filter: "vectara.*"
     *     })
     */
    list(request?: Vectara.RerankersListRequest, requestOptions?: Rerankers.RequestOptions): Promise<core.Page<Vectara.Reranker>>;
    protected _getAuthorizationHeader(): Promise<string | undefined>;
}