/// <reference types="i18n" />
import { Binding, Component, ProviderMap, ServiceOrProviderClass } from '@loopback/core';
import { ExpressRequestHandler, RestApplication } from '@loopback/rest';
import { CoreConfig } from './types';
export declare class CoreComponent implements Component {
    private readonly application;
    private readonly coreConfig;
    private readonly expressMiddlewares;
    constructor(application: RestApplication, coreConfig: CoreConfig, expressMiddlewares: ExpressRequestHandler[]);
    /**
     * The function `_setupSwaggerStats` sets up Swagger stats middleware based on configuration and
     * sanitized OpenAPI spec.
     * @returns The `_setupSwaggerStats` function returns an Express request handler or `undefined`.
     */
    private _setupSwaggerStats;
    /**
     * This function retrieves a sanitized OpenAPI specification by potentially modifying path definitions
     * based on a provided configuration.
     * @returns The `_getSanitizedSpec` method returns a sanitized OpenAPI specification object with
     * modified path definitions based on the `modifyPathDefinition` function provided in the
     * `coreConfig`. If the `modifyPathDefinition` function is not provided or returns `null` for a path,
     * that path is removed from the specification.
     */
    private _getSanitizedSpec;
    /**
     * The function `_buildMiddlewareConfig` constructs a configuration object for middleware based on
     * input specifications and core configuration settings.
     * @param sanitizedSpec - The `sanitizedSpec` parameter is an object that contains the `paths`
     * property. It is used to build a middleware configuration object in the `_buildMiddlewareConfig`
     * method. This method combines various configurations such as `name`, `uriPath`, `swaggerSpec`,
     * `authentication`, and `on
     * @returns The function `_buildMiddlewareConfig` is returning an object `config` that contains the
     * following properties:
     */
    private _buildMiddlewareConfig;
    /**
     * The function returns a handler function for Swagger authentication in TypeScript.
     * @returns A function is being returned that takes three parameters: `req`, `username`, and
     * `password`, and returns a boolean value. If `this.coreConfig.swaggerAuthenticate` is truthy, it
     * returns that value. Otherwise, it returns a function that checks if the `username` and `password`
     * match the values stored in `this.coreConfig.swaggerUsername` and `this.coreConfig.swaggerPassword`
     */
    private _getSwaggerAuthHandler;
    localeObj: i18nAPI;
    providers?: ProviderMap;
    bindings: Binding[];
    services?: ServiceOrProviderClass[];
}