import { Tool } from '@multimodal/agent-interface';
import { ConsoleLogger } from '@agent-infra/logger';
/**
 * Manages tools for the Agent, handling registration, lookup, and execution
 */
export declare class ToolManager {
    private logger;
    private tools;
    constructor(logger: ConsoleLogger);
    /**
     * Registers a new tool that the agent can use during execution
     */
    registerTool(tool: Tool): void;
    /**
     * Returns all registered tools as an array
     */
    getTools(): Tool[];
    /**
     * Gets a specific tool by name
     * @param name Tool name to retrieve
     * @returns The tool definition or undefined if not found
     */
    getTool(name: string): Tool | undefined;
    /**
     * Checks if a tool exists
     * @param name Tool name to check
     * @returns True if the tool exists
     */
    hasTool(name: string): boolean;
    /**
     * Execute a tool with the given arguments
     * @param toolName Name of the tool to execute
     * @param toolCallId ID of the tool call
     * @param args Arguments to pass to the tool
     * @returns Result of execution and execution time
     */
    executeTool(toolName: string, toolCallId: string, args: unknown): Promise<{
        result: unknown;
        executionTime: number;
        error?: string;
    }>;
}
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