import type { BaseLanguageModelInterface } from "@langchain/core/language_models/base";
import type { VectorStoreInterface } from "@langchain/core/vectorstores";
import { ChainValues } from "@langchain/core/utils/types";
import { CallbackManagerForChainRun } from "@langchain/core/callbacks/manager";
import { BaseChain, ChainInputs } from "../../chains/base.js";
import { SerializedBaseChain } from "../../chains/serde.js";
import { Optional } from "../../types/type-utils.js";
/**
 * Interface defining the structure of a task. A task has a `taskID` and a
 * `taskName`.
 */
export interface Task {
    taskID: string;
    taskName: string;
}
/**
 * Interface defining the structure of the inputs for the `BabyAGI` class.
 * It extends the `ChainInputs` interface, omitting the 'memory' and
 * 'callbackManager' properties, and adds properties specific to
 * `BabyAGI`.
 */
export interface BabyAGIInputs extends Omit<ChainInputs, "memory" | "callbackManager"> {
    creationChain: BaseChain;
    prioritizationChain: BaseChain;
    executionChain: BaseChain;
    vectorstore: VectorStoreInterface;
    maxIterations?: number;
}
/**
 * Class responsible for managing tasks, including their creation,
 * prioritization, and execution. It uses three chains for these
 * operations: `creationChain`, `prioritizationChain`, and
 * `executionChain`.
 * @example
 * ```typescript
 * const babyAGI = BabyAGI.fromLLM({
 *   llm: new OpenAI({ temperature: 0 }),
 *   vectorstore: new MemoryVectorStore(new OpenAIEmbeddings()),
 *   maxIterations: 3,
 * });
 *
 * const result = await babyAGI.call({
 *   objective: "Write a weather report for SF today",
 * });
 * ```
 */
export declare class BabyAGI extends BaseChain implements BabyAGIInputs {
    static lc_name(): string;
    taskList: Task[];
    creationChain: BaseChain;
    prioritizationChain: BaseChain;
    executionChain: BaseChain;
    taskIDCounter: number;
    vectorstore: VectorStoreInterface;
    maxIterations: number;
    constructor({ creationChain, prioritizationChain, executionChain, vectorstore, maxIterations, verbose, callbacks, }: BabyAGIInputs);
    _chainType(): "BabyAGI";
    get inputKeys(): string[];
    get outputKeys(): never[];
    /**
     * Adds a task to the task list.
     * @param task The task to be added.
     * @returns Promise resolving to void.
     */
    addTask(task: Task): Promise<void>;
    /**
     * Prints the current task list to the console.
     * @returns void
     */
    printTaskList(): void;
    /**
     * Prints the next task to the console.
     * @param task The next task to be printed.
     * @returns void
     */
    printNextTask(task: Task): void;
    /**
     * Prints the result of a task to the console.
     * @param result The result of the task.
     * @returns void
     */
    printTaskResult(result: string): void;
    /**
     * Generates the next tasks based on the result of the previous task, the
     * task description, and the objective.
     * @param result The result of the previous task.
     * @param task_description The description of the task.
     * @param objective The objective of the task.
     * @param runManager Optional CallbackManagerForChainRun instance.
     * @returns Promise resolving to an array of tasks without taskID.
     */
    getNextTasks(result: string, task_description: string, objective: string, runManager?: CallbackManagerForChainRun): Promise<Optional<Task, "taskID">[]>;
    /**
     * Prioritizes the tasks based on the current task ID and the objective.
     * @param thisTaskID The ID of the current task.
     * @param objective The objective of the task.
     * @param runManager Optional CallbackManagerForChainRun instance.
     * @returns Promise resolving to an array of prioritized tasks.
     */
    prioritizeTasks(thisTaskID: number, objective: string, runManager?: CallbackManagerForChainRun): Promise<{
        taskID: string;
        taskName: string;
    }[]>;
    /**
     * Retrieves the top tasks that are most similar to the given query.
     * @param query The query to search for.
     * @param k The number of top tasks to retrieve.
     * @returns Promise resolving to an array of top tasks.
     */
    getTopTasks(query: string, k?: number): Promise<string[]>;
    /**
     * Executes a task based on the objective and the task description.
     * @param objective The objective of the task.
     * @param task The task to be executed.
     * @param runManager Optional CallbackManagerForChainRun instance.
     * @returns Promise resolving to the result of the task execution as a string.
     */
    executeTask(objective: string, task: string, runManager?: CallbackManagerForChainRun): Promise<string>;
    _call({ objective, firstTask }: ChainValues, runManager?: CallbackManagerForChainRun): Promise<{}>;
    serialize(): SerializedBaseChain;
    /**
     * Static method to create a new BabyAGI instance from a
     * BaseLanguageModel.
     * @param llm BaseLanguageModel instance used to generate a new BabyAGI instance.
     * @param vectorstore VectorStore instance used to store and retrieve vectors.
     * @param executionChain Optional BaseChain instance used to execute tasks.
     * @param verbose Optional boolean indicating whether to log verbose output.
     * @param callbacks Optional callbacks to be used during the execution of tasks.
     * @param rest Optional additional parameters.
     * @returns A new instance of BabyAGI.
     */
    static fromLLM({ llm, vectorstore, executionChain, verbose, callbacks, ...rest }: Optional<BabyAGIInputs, "executionChain" | "creationChain" | "prioritizationChain"> & {
        llm: BaseLanguageModelInterface;
    }): BabyAGI;
}