import type { OpenRouterPlugin, Tool } from '../types';
/**
 * Example plugin that modifies the tool registry used for chat calls.
 * It could fetch tools dynamically, add metadata, enforce policies by filtering, etc.
 * This example simply overrides/sets the tools for every chat call.
 *
 * @param tools - The array of Tool objects to be used, or a function returning them.
 */
export declare function createCustomToolRegistryPlugin(toolProvider: Tool[] | (() => Promise<Tool[]> | Tool[])): OpenRouterPlugin;