import type { RawSourceMap } from 'source-map';
export interface Sources {
    source: string;
    sourceMap: {
        sourcemap: RawSourceMap | undefined;
    };
}
declare const fetch: (input: string | import("fetch-h2").Request, init?: Partial<import("fetch-h2").FetchInit> | undefined) => Promise<import("fetch-h2").Response>;
export { fetch };
export declare const fetchSourceMap: ((key: string) => Promise<Sources | undefined>) & {
    cache: Map<string, {
        deferred: import("everyday-utils").Deferred<Sources | undefined>;
        accessTime: number;
    }>;
    maxCacheSize: number;
};