/**
 * Adapter for LangChain-based agents
 * Wraps the LangChain agent to implement IUniversalAgent interface
 */
import { IUniversalAgent } from "../types";
/**
 * Configuration for LangChain Adapter
 */
export interface LangChainAdapterConfig {
    /**
     * The LangChain agent instance
     */
    agent: any;
    /**
     * Agent configuration (thread_id, etc.)
     */
    config: any;
    /**
     * Optional metadata
     */
    metadata?: {
        name?: string;
        description?: string;
        version?: string;
    };
}
/**
 * LangChain Adapter
 * Adapts LangChain-based agents to the universal interface
 */
export declare class LangChainAdapter implements IUniversalAgent {
    private agent;
    private config;
    private metadata;
    private messageHistory;
    constructor(config: LangChainAdapterConfig);
    /**
     * Send a message to the agent and get a response
     */
    sendMessage(message: string): Promise<string>;
    /**
     * Reset the agent's conversation state
     * Note: LangChain agents with MemorySaver maintain state
     * This creates a new thread ID for a fresh conversation
     */
    reset(): Promise<void>;
    /**
     * Get agent metadata
     */
    getMetadata(): {
        name: string;
        description: string;
        framework: string;
        version: string;
    };
    /**
     * Cleanup resources
     */
    cleanup(): Promise<void>;
}
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