import { CoreLogChannel, ObjectLike } from '@grandlinex/core';
import { Server } from 'net';
import { MergeInputType, SwaggerConfig, SwaggerRPath } from './Meta/SwaggerTypes.js';
import { RouteData } from './annotation/index.js';
export default class SwaggerUtil {
    static logger: CoreLogChannel | null;
    static getLogger(): CoreLogChannel;
    static writeMeta(conf: SwaggerConfig, kind: 'JSON' | 'YAML', path?: string): void;
    static readMeta(path: string): any;
    /**
     * Serves a meta page for Swagger UI or rapi-doc.
     *
     * @param {SwaggerConfig} conf The swagger configuration to expose via `/spec`.
     * @param {Object} [option] Options for serving the meta page.
     * @param {'swagger-ui'|'rapi-doc'} [option.type='swagger-ui'] The type of UI to serve.
     * @param {number} [option.port] The port to listen on. Defaults to 9000.
     * @param {string} [option.auth] Optional authentication key appended to the URL.
     * @returns {Promise<Server|null>} A promise that resolves with the created server instance or null.
     */
    static serveMeta(conf: SwaggerConfig, option?: {
        type?: 'swagger-ui' | 'rapi-doc';
        port?: number;
        auth?: string;
    }): Promise<Server | null>;
    static metaExtractor(root: ObjectLike, npmPackageVersion: boolean, ...path: ObjectLike[]): SwaggerConfig | undefined;
    static routeToSwaggerPath(route: RouteData): SwaggerRPath;
    static merge(root: SwaggerConfig, data: MergeInputType[]): SwaggerConfig;
    static mergeConfig(root: SwaggerConfig, data: SwaggerConfig[]): SwaggerConfig;
}