/**
 * 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 QueryHistory {
    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>;
    }
}
export declare class QueryHistory {
    protected readonly _options: QueryHistory.Options;
    constructor(_options?: QueryHistory.Options);
    /**
     * Retrieve a detailed history of previously executed query.
     *
     * @param {string} queryId - The ID of the query history
     * @param {Vectara.GetQueryHistoryRequest} request
     * @param {QueryHistory.RequestOptions} requestOptions - Request-specific configuration.
     *
     * @throws {@link Vectara.ForbiddenError}
     * @throws {@link Vectara.NotFoundError}
     *
     * @example
     *     await client.queryHistory.getQueryHistory("query_id")
     */
    getQueryHistory(queryId: string, request?: Vectara.GetQueryHistoryRequest, requestOptions?: QueryHistory.RequestOptions): Promise<Vectara.QueryHistory>;
    /**
     * Retrieve query histories.
     *
     * @param {Vectara.GetQueryHistoriesRequest} request
     * @param {QueryHistory.RequestOptions} requestOptions - Request-specific configuration.
     *
     * @throws {@link Vectara.BadRequestError}
     * @throws {@link Vectara.ForbiddenError}
     *
     * @example
     *     await client.queryHistory.getQueryHistories()
     */
    getQueryHistories(request?: Vectara.GetQueryHistoriesRequest, requestOptions?: QueryHistory.RequestOptions): Promise<Vectara.ListQueryHistoriesResponse>;
    protected _getAuthorizationHeader(): Promise<string | undefined>;
}