/**
 * Defines the target backend used by {@link Client}.
 *
 * Should be constructed using {@link backendConfiguration}.
 */
export interface BackendConfiguration {
    /**
     * Origin of the backend, use empty string for relative resolution
     */
    readonly origin: string;
    /**
     * Backend's URL to resolve the loading graph
     */
    readonly urlLoadingGraph: string;
    /**
     * Backend's URL used to fetch the raw content of a package
     */
    readonly urlResource: string;
    /**
     * id of the configuration
     */
    readonly id?: string;
}
/**
 * Construct a backend configuration.
 *
 * @param pathLoadingGraph path of the end-point to query the loading graph
 * @param pathRawPackage path of the end-point to fetch the bundle of a package
 * @param origin origin of the backend
 * @param id id associated to the configuration
 */
export declare function backendConfiguration({ pathLoadingGraph, pathResource, origin, id, }: {
    id?: string;
    pathLoadingGraph: string;
    pathResource: string;
    origin?: {
        secure?: boolean;
        hostname?: string;
        port?: number;
    } | string;
}): BackendConfiguration;