import { Tool } from '../core/types';
/**
 * Registry to manage available tools for agents
 */
export declare class ToolRegistry {
    private static instance;
    private tools;
    private logger;
    /**
     * Private constructor (use getInstance() instead)
     */
    private constructor();
    /**
     * Gets the singleton instance of the tool registry
     *
     * @returns The tool registry instance
     */
    static getInstance(): ToolRegistry;
    /**
     * Registers a tool with the registry
     *
     * @param tool - The tool to register
     * @returns Boolean indicating if registration was successful
     */
    registerTool(tool: Tool): boolean;
    /**
     * Gets a tool by name
     *
     * @param name - The name of the tool to get
     * @returns The tool, or undefined if not found
     */
    getTool(name: string): Tool | undefined;
    /**
     * Gets all registered tools
     *
     * @returns Array of all registered tools
     */
    getAllTools(): Tool[];
    /**
     * Gets tools by category (from tool metadata)
     *
     * @param category - The category to filter by
     * @returns Array of tools in the specified category
     */
    getToolsByCategory(category: string): Tool[];
    /**
     * Removes a tool from the registry
     *
     * @param name - The name of the tool to remove
     * @returns Boolean indicating if removal was successful
     */
    unregisterTool(name: string): boolean;
    /**
     * Clears all registered tools
     */
    clearTools(): void;
}