import { AgentGraphConfigType, AgentMessageType, GraphResultType, RunOptionsType, ThreadStateType } from '../../Types/AgentGraph/AgentGraphTypes';
/**
 * AgentGraphService - Main orchestrator for multi-agent systems
 * Manages agent execution flow, memory, and message passing
 */
export default class AgentGraphService {
    private agents;
    private startAgent;
    private memory;
    private maxIterations;
    private readonly BOX;
    private readonly STATUS_ICONS;
    private readonly COLORS;
    private readonly TYPE_COLORS;
    /**
     * Format date for logging in YYYY-MM-DD HH:mm:ss format
     * @param date - Date to format
     * @returns Formatted date string
     */
    private formatDate;
    /**
     * Create a new AgentGraphService instance
     * @param config - Graph configuration with agents and start agent
     */
    constructor(config: AgentGraphConfigType);
    /**
     * Run the agent graph with the given input
     * @param input - Initial user input/task
     * @param options - Run options including threadId
     * @returns Promise resolving to the graph result
     */
    run(input: string, options: RunOptionsType): Promise<GraphResultType>;
    /**
     * Get the current state of a thread
     * @param threadId - Thread identifier
     * @returns Promise resolving to thread state or null
     */
    getState(threadId: string): Promise<ThreadStateType | null>;
    /**
     * Get the message history for a thread
     * @param threadId - Thread identifier
     * @returns Promise resolving to array of messages
     */
    getHistory(threadId: string): Promise<AgentMessageType[]>;
    /**
     * Initialize a new thread
     * @param threadId - Thread identifier
     */
    private initializeThread;
    /**
     * Update thread state
     * @param threadId - Thread identifier
     * @param currentAgent - Current agent ID
     * @param status - New status
     */
    private updateThreadState;
    /**
     * Prepare context for an agent
     * @param threadId - Thread identifier
     * @param agent - Agent to prepare context for
     * @param initialMessage - Initial user message for this thread
     * @param currentAgentIterations - Current agent's iteration count
     * @param totalIterations - Total iterations across all agents
     * @returns Promise resolving to agent context
     */
    private prepareContext;
    /**
     * Format content with tree symbol prefix, handling multiline content
     * @param content - Content to format (string or object)
     * @param firstLinePrefix - Prefix for first line (e.g., '├─ IN:  ')
     * @param continuationPrefix - Prefix for continuation lines
     * @returns Formatted string with all lines
     */
    private formatContentWithTreeSymbol;
    /**
     * Format thread start block with modern visual style and colors
     * @param threadId - Thread identifier
     * @param startAgent - Starting agent ID
     * @param input - Initial user input
     * @returns Object with separators and content for separate logging
     */
    private formatThreadStart;
    /**
     * Format agent execution block with modern visual style and colors
     * @param params - Agent block parameters
     * @returns Object with separators and content for separate logging
     */
    private formatAgentBlock;
    /**
     * Format thread completion or error block with modern visual style and colors
     * @param threadId - Thread identifier
     * @param iterations - Total number of iterations
     * @param totalTime - Total execution time in ms
     * @param status - Thread status (completed or error)
     * @param error - Error message (if status is error)
     * @returns Object with separators and content for separate logging
     */
    private formatThreadEnd;
    /**
     * Log thread start - visual output to console, brief info to file logger
     * @param threadId - Thread identifier
     * @param startAgent - Starting agent ID
     * @param input - Initial user input
     */
    private logThreadStart;
    /**
     * Log agent block - visual output to console, brief info to file logger
     * @param params - Agent block parameters
     */
    private logAgentBlock;
    /**
     * Log thread end - visual output to console
     * @param threadId - Thread identifier
     * @param iterations - Total number of iterations
     * @param totalTime - Total execution time in ms
     * @param status - Thread status (completed or error)
     * @param error - Error message (if status is error)
     */
    private logThreadEnd;
}