/**
 * PluginManager
 *
 * Manages plugin registration and lifecycle.
 * Executes plugin hooks at appropriate points.
 */
import { HttpRequest, HttpResponse } from '../types';
import { IPlugin, PluginContext, PluginInfo } from './IPlugin';
export declare class PluginManager {
    private plugins;
    /**
     * Get the number of registered plugins
     */
    getPluginCount(): number;
    /**
     * Check if a plugin is registered
     * @param name Plugin name
     */
    hasPlugin(name: string): boolean;
    /**
     * Register a plugin
     * @param plugin The plugin to register
     * @param context Optional context for initialization
     * @throws Error if plugin with same name already registered
     */
    register(plugin: IPlugin, context?: PluginContext): Promise<void>;
    /**
     * Unregister a plugin
     * @param name Plugin name
     */
    unregister(name: string): Promise<void>;
    /**
     * List all registered plugins
     */
    listPlugins(): PluginInfo[];
    /**
     * Execute beforeRequest hooks for all plugins
     * @param request The HTTP request
     * @param context Plugin context
     * @returns Modified request
     */
    executeBeforeRequest(request: HttpRequest, context: PluginContext): Promise<HttpRequest>;
    /**
     * Execute afterResponse hooks for all plugins
     * @param request The original request
     * @param response The HTTP response
     * @param context Plugin context
     */
    executeAfterResponse(request: HttpRequest, response: HttpResponse, context: PluginContext): Promise<void>;
    /**
     * Destroy all plugins
     */
    destroyAll(): Promise<void>;
}