import type { MCPTool, MCPToolDefinition, MCPToolResult } from './mcp';
export interface ToolGatewayConfig {
    enabled: boolean;
    endpoint: string;
    apiKey: string;
    enabledTools?: GatewayToolName[];
    timeout?: number;
}
export type GatewayToolName = 'web-search' | 'image-gen' | 'tts' | 'browser';
export declare class ToolGateway {
    private config;
    private availableTools;
    private connected;
    constructor(config: ToolGatewayConfig);
    /** Discover available tools from the gateway endpoint. */
    connect(): Promise<void>;
    /** Load default tool definitions (used as fallback). */
    private loadDefaults;
    /** Invoke a tool through the gateway. */
    invokeTool(name: GatewayToolName, input: Record<string, unknown>): Promise<MCPToolResult>;
    /** Get all gateway tools as MCPTool instances for registry integration. */
    getTools(): MCPTool[];
    /** Get tool definitions (without execute). */
    listTools(): MCPToolDefinition[];
    get isConnected(): boolean;
    get toolCount(): number;
}
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