/**
 * Tools Manager Module
 *
 * Handles all tool registration, discovery, and execution for AI providers.
 * Extracted from BaseProvider to follow Single Responsibility Principle.
 *
 * Responsibilities:
 * - Tool registration (direct, custom, MCP, external MCP)
 * - Tool discovery and aggregation
 * - Tool creation from definitions and schemas
 * - Tool executor setup
 * - Session context management for MCP tools
 * - Event emission wrapping for tool execution
 *
 * @module core/modules/ToolsManager
 */
import type { Tool } from "ai";
import type { AIProviderName, ToolUtilities } from "../../types/index.js";
import type { NeuroLink } from "../../neurolink.js";
/**
 * ToolsManager class - Handles all tool management operations
 */
export declare class ToolsManager {
    private readonly providerName;
    private readonly directTools;
    private readonly neurolink?;
    private readonly utilities?;
    protected mcpTools?: Record<string, Tool>;
    protected customTools?: Map<string, unknown>;
    protected toolExecutor?: (toolName: string, params: unknown, options?: Record<string, unknown>) => Promise<unknown>;
    protected sessionId?: string;
    protected userId?: string;
    constructor(providerName: AIProviderName, directTools: Record<string, unknown>, neurolink?: NeuroLink | undefined, utilities?: ToolUtilities | undefined);
    /**
     * BZ-666: Wrap tool execute with output truncation to prevent
     * context overflow when large results flow into the AI SDK accumulator.
     */
    private wrapExecuteWithTruncation;
    /**
     * BZ-666: Apply generateToolOutputPreview to tool results to prevent
     * context overflow when large results flow into the AI SDK accumulator.
     */
    private truncateToolResult;
    /**
     * Set session context for MCP tools
     */
    setSessionContext(sessionId?: string, userId?: string): void;
    private emitToolEvent;
    /**
     * Set up tool executor for a provider to enable actual tool execution
     * @param sdk - The NeuroLinkSDK instance for tool execution
     * @param functionTag - Function name for logging
     */
    setupToolExecutor(sdk: {
        customTools: Map<string, unknown>;
        executeTool: (toolName: string, params: unknown) => Promise<unknown>;
    }, functionTag: string): void;
    /**
     * Get all available tools - direct tools are ALWAYS available
     * MCP tools are added when available (without blocking)
     */
    getAllTools(): Promise<Record<string, Tool>>;
    /**
     * Get direct tools (built-in agent tools)
     */
    getDirectTools(): Record<string, unknown>;
    /**
     * Get MCP tools
     */
    getMCPTools(): Record<string, Tool> | undefined;
    /**
     * Get custom tools
     */
    getCustomTools(): Map<string, unknown> | undefined;
    /**
     * Process direct tools with event emission wrapping
     */
    private processDirectTools;
    /**
     * Process custom tools from setupToolExecutor
     */
    private processCustomTools;
    /**
     * Process MCP tools integration
     */
    private processMCPTools;
    /**
     * Process external MCP tools
     */
    private processExternalMCPTools;
    /**
     * Create a custom tool from tool definition
     */
    private createCustomToolFromDefinition;
    /**
     * Create an external MCP tool
     */
    private createExternalMCPTool;
}