import { PluginTokenHandler } from './plugin/PluginTokenHandler';
/**
 * @public
 * This service is used to decorate the default plugin token handler with custom logic.
 */
export declare const pluginTokenHandlerDecoratorServiceRef: import("@backstage/backend-plugin-api").ServiceRef<(defaultImplementation: PluginTokenHandler) => PluginTokenHandler, "plugin", "singleton">;
/**
 * Handles token authentication and credentials management.
 *
 * See {@link @backstage/code-plugin-api#AuthService}
 * and {@link https://backstage.io/docs/backend-system/core-services/auth | the service docs}
 * for more information.
 *
 * @public
 */
export declare const authServiceFactory: import("@backstage/backend-plugin-api").ServiceFactory<import("@backstage/backend-plugin-api").AuthService, "plugin", "singleton">;