import { Class, Context, HttpResponseBadRequest, HttpResponseMovedPermanently, HttpResponseNotFound, HttpResponseOK, OpenApi } from '@foal/core';
/**
 * Serve Swagger UI to visualize and interact with API resources.
 *
 * @export
 * @abstract
 * @class SwaggerController
 */
export declare abstract class SwaggerController {
    openApi: OpenApi;
    /**
     * Specify the OpenAPI Specification(s) and their location(s).
     *
     * If a controller class is provided, then an OpenAPI Specification is generated
     * from its definition.
     *
     * @abstract
     * @type {({ url: string } |
     *            { controllerClass: Class } |
     *            (
     *              { name: string, url: string, primary?: boolean } |
     *              { name: string, controllerClass: Class, primary?: boolean }
     *            )[])}
     * @memberof SwaggerController
     */
    abstract options: {
        url: string;
    } | {
        controllerClass: Class;
    } | ({
        name: string;
        url: string;
        primary?: boolean;
    } | {
        name: string;
        controllerClass: Class;
        primary?: boolean;
    })[];
    /**
     * Extend Swagger UI options.
     *
     * See https://swagger.io/docs/open-source-tools/swagger-ui/usage/configuration/.
     *
     * @type {object}
     * @example
     * uiOptions = { docExpansion: 'none' };
     * @memberof SwaggerController
     */
    uiOptions: object;
    getOpenApiDefinition(ctx: Context): HttpResponseNotFound<any> | HttpResponseOK<import("@foal/core").IOpenAPI> | HttpResponseBadRequest<string>;
    index(ctx: Context): Promise<HttpResponseMovedPermanently | HttpResponseOK<string>>;
    main(ctx: Context): Promise<HttpResponseOK<string>>;
    swaggerUi(): Promise<HttpResponseOK<any>>;
    swaggerUiBundle(): Promise<HttpResponseOK<any>>;
    swaggerUiStandalonePreset(): Promise<HttpResponseOK<any>>;
    private createHttpResponseFile;
}