/**
 * Context Agent - Agent with enhanced context management
 */
import { KnowledgeBase, type SearchResult } from '../knowledge/rag';
export interface ContextAgentConfig {
    name?: string;
    instructions: string;
    llm?: string;
    knowledgeBase?: KnowledgeBase;
    contextWindow?: number;
    maxContextTokens?: number;
    verbose?: boolean;
}
export interface ContextMessage {
    role: 'system' | 'user' | 'assistant';
    content: string;
    timestamp: number;
    metadata?: Record<string, any>;
}
/**
 * Context Agent - Agent with RAG and context management
 */
export declare class ContextAgent {
    readonly name: string;
    readonly instructions: string;
    private provider;
    private providerPromise;
    private llmModel;
    private knowledgeBase?;
    private contextWindow;
    private maxContextTokens;
    private messages;
    private verbose;
    constructor(config: ContextAgentConfig);
    /**
     * Get the LLM provider (lazy initialization with AI SDK backend)
     */
    private getProvider;
    /**
     * Chat with context awareness
     */
    chat(prompt: string): Promise<{
        text: string;
        context?: SearchResult[];
    }>;
    /**
     * Get recent messages within context window
     */
    private getRecentMessages;
    /**
     * Add document to knowledge base
     */
    addDocument(id: string, content: string, metadata?: Record<string, any>): Promise<void>;
    /**
     * Search knowledge base
     */
    searchKnowledge(query: string, limit?: number): Promise<SearchResult[]>;
    /**
     * Clear conversation history
     */
    clearHistory(): void;
    /**
     * Get conversation history
     */
    getHistory(): ContextMessage[];
    /**
     * Set knowledge base
     */
    setKnowledgeBase(kb: KnowledgeBase): void;
}
/**
 * Create a context agent
 */
export declare function createContextAgent(config: ContextAgentConfig): ContextAgent;