/// <reference types="js-compute" />
export declare class Fetcher {
    private sources;
    constructor(sources: FetchSourceMap);
    fetch(): Promise<FetchResultMap>;
    private getSourceData;
}
declare type FetchSourceMap = {
    [key: string]: FetchSource;
};
declare type FetchResultMap = {
    [key: string]: FetchResult;
};
declare type FetchResult = {
    source: FetchSource;
    data: string;
};
declare type FetchSource = {
    url: string;
    backend: string;
    method?: string;
    body?: string;
    headers?: Headers;
    cache?: CacheOverride;
};
export {};