import { Tool } from "@langchain/core/tools";
export interface StackExchangeAnswer {
    items: StackExchangeItem[];
    has_more: boolean;
    quota_max: number;
    quota_remaining: number;
}
export interface StackExchangeItem {
    tags: string[];
    question_score: number;
    is_accepted: boolean;
    has_accepted_answer?: boolean;
    answer_count?: number;
    is_answered: boolean;
    question_id: number;
    item_type: string;
    score: number;
    last_activity_date: number;
    creation_date: number;
    body: string;
    excerpt: string;
    title: string;
    answer_id?: number;
}
type StackExchangeOptions = Record<string, string | number | boolean>;
export interface StackExchangeAPIParams {
    /**
     * The maximum number of results to return from the search.
     * Limiting to 10 to avoid context overload.
     * @default 3
     */
    maxResult?: number;
    /**
     * Which part of StackOverflows items to match against. One of 'all', 'title',
     * 'body'.
     * @default "all"
     */
    queryType?: "all" | "title" | "body";
    /**
     * Additional params to pass to the StackExchange API
     */
    options?: StackExchangeOptions;
    /**
     * Separator between question,answer pairs.
     * @default "\n\n"
     */
    resultSeparator?: string;
}
/**
 * Class for interacting with the StackExchange API
 * It extends the base Tool class to perform retrieval.
 */
export declare class StackExchangeAPI extends Tool {
    name: string;
    description: string;
    private pageSize;
    private maxResult;
    private key;
    private accessToken;
    private site;
    private version;
    private baseUrl;
    private queryType;
    private options?;
    private resultSeparator?;
    constructor(params?: StackExchangeAPIParams);
    _call(query: string): Promise<string>;
    /**
     * Call the StackExchange API
     * @param endpoint Name of the endpoint from StackExchange API
     * @param params Additional parameters passed to the endpoint
     * @param page Number of the page to retrieve
     * @param filter Filtering properties
     */
    private _fetch;
    /**
     * Fetch the result of a specific endpoint
     * @param endpointUrl Endpoint to call
     */
    private _makeRequest;
}
export {};