import { Logger } from "../../common";
import { HttpApp, HttpPlugin, PluginRegistry } from "./types";
export declare class HttpPluginRegistry implements PluginRegistry {
    private plugins;
    private installedPlugins;
    private logger;
    constructor(logger?: Logger);
    register(plugin: HttpPlugin): void;
    unregister(pluginName: string): void;
    get(pluginName: string): HttpPlugin | undefined;
    list(): HttpPlugin[];
    install<Framework = any>(app: HttpApp<Framework>, pluginName: string, options?: any): Promise<void>;
    isInstalled(pluginName: string): boolean;
    getInstalled(): HttpPlugin[];
    private validatePlugin;
    private checkDependencies;
}