import { ServiceCredentials } from "../../model/types.js";
export type XsApp = {
    welcomeFile?: string;
    authenticationMethod: "none" | "route";
    routes: Route[];
};
export type Route = {
    source: string;
    target: string;
    service?: string;
    destination?: string;
    authenticationType?: string;
    localDir?: string;
};
export declare const XSAPP_JSON_FILENAME = "xs-app.json";
/**
 * Merges multiple xs-app.json contents into one. AppVariant and Reuse Library
 * xs-app.json files come first, base app xs-app.json last. Routes from all
 * files are concatenated.
 * @param xsAppFiles Array of xs-app.json file contents as strings
 * @returns Merged xs-app.json content as a string, or undefined if no files
 * were provided
 */
export declare function merge(xsAppFiles: string[]): string | undefined;
export declare function enhanceRoutesWithEndpointAndService(xsAppJsonContent: string, serviceCredentials: ServiceCredentials): string;
export declare function enhanceRoutes(serviceCredentials: ServiceCredentials, baseRoutes: Route[]): Route[];
export declare function fetchCredentialsAndEnhanceRoutes(xsAppJson: string, serviceCredentialsPromise: Promise<ServiceCredentials | undefined>): Promise<string>;