import { VersionRanges } from './VersionRanges';
export declare type Fetcher = (url: string, meta: FetchMeta) => Promise<FetchResult>;
export interface FetchMeta {
    requiredById: string;
    originalRequest: string;
}
export interface FetchResult {
    id: string;
    url: string;
    code: string;
    dependencies?: 'umd' | string[];
    dependencyVersionRanges?: VersionRanges;
    css?: string;
}