import { z } from 'zod';
/**
 * Standard tool interface for the agent framework
 */
export interface Tool {
    /** Unique name for the tool */
    name: string;
    /** Human-readable description of what the tool does */
    description: string;
    /** Zod schema for validating tool arguments */
    schema: z.ZodSchema<any>;
    /**
     * Execute the tool with the given arguments
     * @param args - Validated arguments for the tool
     * @param abortSignal - Optional signal to abort the operation
     * @returns Promise resolving to the tool's result
     */
    execute(args: any, abortSignal?: AbortSignal): Promise<any>;
}
/**
 * Tool metadata for registration and discovery
 */
export interface ToolMetadata {
    name: string;
    description: string;
    schema: z.ZodSchema<any>;
    category?: string;
    tags?: string[];
    version?: string;
}
/**
 * Tool execution context
 */
export interface ToolContext {
    abortSignal?: AbortSignal;
    logger?: {
        debug(message: string): void;
        info(message: string): void;
        warn(message: string): void;
        error(message: string): void;
    };
    [key: string]: any;
}
/**
 * Tool execution result
 */
export interface ToolResult<T = any> {
    success: boolean;
    data?: T;
    error?: string;
    metadata?: {
        executionTime?: number;
        [key: string]: any;
    };
}
/**
 * Tool registry interface
 */
export interface ToolRegistry {
    /**
     * Register a tool
     */
    register(tool: Tool): void;
    /**
     * Unregister a tool
     */
    unregister(name: string): void;
    /**
     * Get a tool by name
     */
    get(name: string): Tool | undefined;
    /**
     * Get all registered tools
     */
    getAll(): Tool[];
    /**
     * Get tools by category
     */
    getByCategory(category: string): Tool[];
    /**
     * Check if a tool is registered
     */
    has(name: string): boolean;
}
/**
 * Base class for implementing tools
 */
export declare abstract class BaseTool implements Tool {
    abstract name: string;
    abstract description: string;
    abstract schema: z.ZodSchema<any>;
    abstract execute(args: any, abortSignal?: AbortSignal): Promise<any>;
    /**
     * Validate arguments against the tool's schema
     */
    protected validateArgs(args: any): any;
    /**
     * Create a successful result
     */
    protected success<T>(data: T, metadata?: any): ToolResult<T>;
    /**
     * Create an error result
     */
    protected error(message: string, metadata?: any): ToolResult;
}