import type { BaseMessage } from "@langchain/core/messages";
/**
 * Creates a compact summary of a conversation history.
 *
 * This function processes an array of LangChain messages and generates a chronological
 * summary that preserves the key context of the interaction. It highlights user
 * requests, AI responses, and tool usage, making it easier for the AI to understand
 * the conversation flow and determine the next steps.
 *
 * @param messages An array of `BaseMessage` objects representing the conversation history.
 * @returns A string containing the structured summary of the conversation.
 */
export declare const compactConversationPrompt: (messages: BaseMessage[]) => string;