import { ModifierConstructor } from '../../route/modifier/modifier';
import { default as Route, RouteOptions } from '../../route/route';
import { SigilMiddleware, SigilMiddlewareCallback } from '../misc/sigil-middleware';
import { SigilPlugin, SigilPluginConstructor } from '../misc/sigil-plugin';
import { SigilOptions } from './common.types';
import { ILogOptions } from '../../utils/make-log';
/**
 * Internal API exposed to Sigil plugins for framework operations.
 */
export interface $SigilInternalPluginAPI {
    /**
     * Registers a new plugin with optional configuration.
     * @param plugin plugin constructor to register.
     * @param config optional configuration object for the plugin.
     */
    addPlugin<P extends SigilPlugin>(plugin: SigilPluginConstructor<P>, config?: P extends SigilPlugin<infer C> ? C : undefined): void;
    /**
     * Mounts an existing Route instance at a given base path.
     * @param path mount path (e.g., "/users").
     * @param route route instance to mount.
     * @returns mounted Route.
     */
    mount(path: string, route: Route<any>): Route<any>;
    /**
     * Defines and mounts a new Route at the specified path with optional options.
     * @template MW tuple of modifier constructors to apply.
     * @param path base path for the route.
     * @param options route configuration (modifiers, tags, etc.).
     * @returns newly created Route instance.
     */
    route<MW extends readonly ModifierConstructor<any, any>[] = any>(path: string, options?: RouteOptions<MW>): Route<MW>;
    /**
     * Adds global middleware function to the framework.
     * @param callback middleware callback to execute on each request.
     * @returns SigilMiddleware handle for removal.
     */
    addMiddleware(callback: SigilMiddlewareCallback): SigilMiddleware;
    /**
     * Retrieves a registered plugin instance by its constructor.
     * @template T plugin subclass.
     * @param plugin plugin constructor to retrieve.
     * @returns plugin instance.
     */
    plugin<T extends SigilPlugin>(plugin: SigilPluginConstructor<T>): T;
    /**
     * Executes a callback with the plugin instance if registered.
     * @template T plugin subclass.
     * @template R return type of the callback.
     * @param plugin plugin constructor to use.
     * @param callback function to invoke with the plugin instance.
     * @returns callback result or null if plugin not registered.
     */
    withPlugin<T extends SigilPlugin, R = any>(plugin: SigilPluginConstructor<T>, callback: (plugin: T) => R): R extends Promise<any> ? Promise<Awaited<R> | null> : R | null;
}
/**
 * Helper methods for iterating over the internal set of mounted routes.
 */
export interface $InternalRoutesListMethods {
    /**
     * Returns an iterator over [path, Route] entries.
     */
    values(): SetIterator<[string, Route<any>]>;
    /**
     * Converts the routes set to an array of [path, Route] tuples.
     */
    toArray(): [string, Route<any>][];
    /**
     * Executes a provided callback once for each mounted route.
     * @param callback function invoked with (value, key, set).
     * @param thisArg optional context for callback.
     */
    forEach(callback: (value: [string, Route<any>], key: [string, Route<any>], set: Set<any>) => void, thisArg?: any): void;
}
/**
 * Internal context injected into plugin prototypes by attachPluginContext.
 */
export interface $InternalPluginContext {
    /**
     * Access to methods for inspecting or iterating application routes.
     */
    routes: $InternalRoutesListMethods;
    /**
     * Configuration object passed to the plugin at registration.
     */
    pluginConfig: Record<any, any>;
    /**
     * Framework API available to plugins (addPlugin, mount, etc.).
     */
    sigilApi: $SigilInternalPluginAPI;
    /**
     * Response templating function for formatting handler outputs.
     */
    responseTemplate: SigilOptions["responseTemplate"];
    /**
     * Scoped logger for the plugin, excluding module and prefix.
     */
    logger: (options: Omit<ILogOptions, "module" | "prefix">) => void;
}