import type { FastifyPluginCallback } from 'fastify';
import type { DIContext } from '../DIContext.ts';
import type { BuildGatewayManifestOptions } from './manifest/buildManifest.ts';
import type { GatewayManifest } from './manifest/manifestSchema.ts';
/**
 * Function decoration installed on the Fastify instance by
 * `fastifyGatewayPlugin`. Returns the gateway manifest, recomputed on every
 * call so it always reflects the current set of registered controllers.
 *
 * Mirrors the spirit of `@fastify/swagger`'s `app.swagger()`.
 */
export type BuildGatewayManifestFn = (overrides?: Partial<BuildGatewayManifestOptions>) => GatewayManifest;
declare module 'fastify' {
    interface FastifyInstance {
        buildGatewayManifest: BuildGatewayManifestFn;
    }
}
export type FastifyGatewayPluginOptions = {
    /**
     * The DI context that owns the controllers whose manifest we expose.
     * The plugin calls `context.buildGatewayManifest()` lazily, so route
     * registration order (plugin first vs. routes first) doesn't matter.
     */
    context: DIContext<any, any, any>;
    /** Default options applied to every `app.buildGatewayManifest()` call. */
    defaults: BuildGatewayManifestOptions;
    /**
     * If set to a path string, exposes `GET <route>` returning the manifest as
     * JSON. Useful when a CLI / sibling process wants to fetch the manifest
     * over HTTP instead of loading the service code.
     *
     * **Opt-in.** No HTTP route is registered when this is omitted, so adding
     * the plugin can never accidentally expose internal routing topology to
     * unauthenticated callers.
     */
    exposeRoute?: string;
};
export declare const fastifyGatewayPlugin: FastifyPluginCallback<FastifyGatewayPluginOptions>;