import { LLMChain, LLMChainInput } from "../../chains/llm_chain.js";
/** Chain to execute tasks. */
export declare class TaskExecutionChain extends LLMChain {
    static lc_name(): string;
    /**
     * A static factory method that creates an instance of TaskExecutionChain.
     * It constructs a prompt template for task execution, which is then used
     * to create a new instance of TaskExecutionChain. The prompt template
     * instructs an AI to perform a task based on a given objective, taking
     * into account previously completed tasks.
     * @param fields An object of type LLMChainInput, excluding the "prompt" field.
     * @returns An instance of LLMChain.
     */
    static fromLLM(fields: Omit<LLMChainInput, "prompt">): LLMChain;
}