import { CallbackManagerForLLMRun } from "@langchain/core/callbacks/manager";
import { BaseMessage } from "@langchain/core/messages";
import { ChatResult } from "@langchain/core/outputs";
import { IterableReadableStream } from "@langchain/core/utils/stream";
import { BaseChatModel, type BaseChatModelParams } from "@langchain/core/language_models/chat_models";
import { BaseWebSocketStream, WebSocketStreamOptions } from "../../utils/iflytek_websocket_stream.js";
/**
 * Type representing the role of a message in the Xinghuo chat model.
 */
export type XinghuoMessageRole = "assistant" | "user";
/**
 * Interface representing a message in the Xinghuo chat model.
 */
interface XinghuoMessage {
    role: XinghuoMessageRole;
    content: string;
}
/**
 * Interface representing a request for a chat completion.
 */
interface ChatCompletionRequest {
    messages: XinghuoMessage[];
    temperature?: number;
    max_tokens?: number;
    top_k?: number;
    chat_id?: string;
}
export interface ChatCompletionChunk {
    header: {
        code: number;
        message: string;
        sid: string;
        status: number;
    };
    payload: {
        choices: {
            status: number;
            seq: number;
            text: {
                content: string;
                role: XinghuoMessageRole;
                index: number;
            }[];
        };
        usage?: {
            text: {
                question_tokens: number;
                prompt_tokens: number;
                completion_tokens: number;
                total_tokens: number;
            };
        };
    };
}
/**
 * Interface representing a response from a chat completion.
 */
interface ChatCompletionResponse {
    result: string;
    usage?: {
        completion_tokens: number;
        prompt_tokens: number;
        total_tokens: number;
    };
}
declare interface IflytekXinghuoChatInput {
    /** Model version to use. Available options are: v1.1, v2.1, v3.1
     * @default "v2.1"
     */
    version: string;
    /**
     * ID of the end-user who made requests.
     */
    userId?: string;
    /**
     * APPID to use when making requests. Defaults to the value of
     * `IFLYTEK_APPID` environment variable.
     */
    iflytekAppid?: string;
    /**
     * API key to use when making requests. Defaults to the value of
     * `IFLYTEK_API_KEY` environment variable.
     */
    iflytekApiKey?: string;
    /**
     * API Secret to use when making requests. Defaults to the value of
     * `IFLYTEK_API_SECRET` environment variable.
     */
    iflytekApiSecret?: string;
    /** Amount of randomness injected into the response. Ranges
     * from 0 to 1 (0 is not included). Use temp closer to 0 for analytical /
     * multiple choice, and temp closer to 1 for creative
     * and generative tasks. Defaults to 0.5.
     */
    temperature?: number;
    max_tokens?: number;
    top_k?: number;
    streaming?: boolean;
}
/**
 * Wrapper around IflytekXingHuo large language models that use the Chat endpoint.
 *
 * To use you should have the `IFLYTEK_API_KEY` and `IFLYTEK_API_SECRET` and `IFLYTEK_APPID`
 * environment variable set.
 *
 * @augments BaseChatModel
 * @augments IflytekXinghuoChatInput
 */
export declare abstract class BaseChatIflytekXinghuo extends BaseChatModel implements IflytekXinghuoChatInput {
    static lc_name(): string;
    get callKeys(): string[];
    get lc_secrets(): {
        [key: string]: string;
    } | undefined;
    get lc_aliases(): {
        [key: string]: string;
    } | undefined;
    lc_serializable: boolean;
    version: string;
    iflytekAppid: string;
    iflytekApiKey: string;
    iflytekApiSecret: string;
    userId?: string;
    apiUrl: string;
    domain: string;
    temperature: number;
    max_tokens: number;
    top_k: number;
    streaming: boolean;
    constructor(fields?: Partial<IflytekXinghuoChatInput> & BaseChatModelParams);
    /**
     * Get the identifying parameters for the model
     */
    identifyingParams(): {
        temperature?: number | undefined;
        max_tokens?: number | undefined;
        top_k?: number | undefined;
        chat_id?: string | undefined;
        streaming: boolean;
        version: string;
    };
    /**
     * Get the parameters used to invoke the model
     */
    invocationParams(): Omit<ChatCompletionRequest, "messages"> & {
        streaming: boolean;
    };
    /**
     * Method that retrieves the auth websocketStream for making requests to the Iflytek Xinghuo API.
     * @returns The auth websocketStream for making requests to the Iflytek Xinghuo API.
     */
    abstract openWebSocketStream<T extends BaseWebSocketStream<string>>(options: WebSocketStreamOptions): Promise<T>;
    /**
     * Calls the Xinghuo API completion.
     * @param request The request to send to the Xinghuo API.
     * @param signal The signal for the API call.
     * @returns The response from the Xinghuo API.
     */
    completion(request: ChatCompletionRequest, stream: true, signal?: AbortSignal): Promise<IterableReadableStream<string>>;
    completion(request: ChatCompletionRequest, stream: false, signal?: AbortSignal): Promise<ChatCompletionResponse>;
    _generate(messages: BaseMessage[], options: this["ParsedCallOptions"], runManager?: CallbackManagerForLLMRun | undefined): Promise<ChatResult>;
    /** @ignore */
    _combineLLMOutput(): Record<string, any> | undefined;
    _llmType(): string;
}
export {};