/**
 * Tool Registry - Dynamic tool registration and prompt generation
 * Tools can be added at runtime and their descriptions are automatically included in agent prompts
 */
import { ToolCall, ToolResult } from './types';
/**
 * Tool parameter definition
 */
export interface ToolParameter {
    name: string;
    type: 'string' | 'number' | 'boolean' | 'object';
    description: string;
    required: boolean;
    default?: any;
}
/**
 * Tool definition
 */
export interface Tool {
    name: string;
    description: string;
    parameters: ToolParameter[];
    /**
     * Execute the tool
     * @param params Tool parameters
     * @param context Execution context (page, memory, etc.)
     */
    execute(params: Record<string, any>, context: ToolExecutionContext): Promise<ToolResult>;
}
/**
 * Context provided to tool execution
 */
export interface ToolExecutionContext {
    page: any;
    memory: any;
    stepNumber: number;
    logger?: (message: string, level?: 'log' | 'error' | 'warn') => void;
    previousSomScreenshot?: string;
    somHandler?: any;
}
/**
 * Tool Registry - manages available tools and generates prompts
 */
export declare class ToolRegistry {
    private tools;
    /**
     * Register a tool
     */
    register(tool: Tool): void;
    /**
     * Unregister a tool
     */
    unregister(toolName: string): void;
    /**
     * Get a tool by name
     */
    get(toolName: string): Tool | undefined;
    /**
     * Get all registered tools
     */
    getAll(): Tool[];
    /**
     * Execute a tool
     */
    execute(toolCall: ToolCall, context: ToolExecutionContext): Promise<ToolResult>;
    /**
     * Generate tool descriptions for agent prompt
     * Returns formatted text describing all available tools
     */
    generateToolDescriptions(): string;
    /**
     * Generate JSON schema for tool calls (for structured output)
     */
    generateToolCallSchema(): any;
}
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