/**
 * Tool Manager - Manages MCP tools and their execution
 *
 * This module handles tool discovery, registration, and execution lifecycle
 */
import { Logger } from "../types.js";
import { ToolDefinition, ToolExecutionResult, ToolExecutionContext } from "../types.js";
export interface ToolManagerConfig {
    maxConcurrentTools?: number;
    toolTimeout?: number;
    enableCaching?: boolean;
    cacheTTL?: number;
}
export declare class ToolManager {
    private tools;
    private logger;
    private config;
    private executionQueue;
    private cache;
    constructor(logger: Logger, config?: ToolManagerConfig);
    /**
     * Register a new tool
     */
    registerTool(tool: ToolDefinition): void;
    /**
     * Register multiple tools
     */
    registerTools(tools: ToolDefinition[]): void;
    /**
     * Get all registered tools
     */
    getTools(): ToolDefinition[];
    /**
     * Get a specific tool by name
     */
    getTool(name: string): ToolDefinition | undefined;
    /**
     * Execute a tool with caching and concurrency control
     */
    executeTool(name: string, args: unknown, context: ToolExecutionContext): Promise<ToolExecutionResult>;
    /**
     * Internal tool execution with timeout
     */
    private executeToolInternal;
    /**
     * Generate cache key for tool execution
     */
    private generateCacheKey;
    /**
     * Clear cache
     */
    clearCache(): void;
    /**
     * Get cache statistics
     */
    getCacheStats(): {
        size: number;
        hitRate: number;
    };
    /**
     * Get execution queue status
     */
    getExecutionStatus(): {
        activeExecutions: number;
        queuedExecutions: number;
    };
}
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