export declare const asyncResolverFactory: <TResolved, const TResolverArgs extends readonly unknown[], TResolve extends (...args: TResolverArgs) => Promise<TResolved>>(onResolve: (resolved: TResolved, what: string, importer: string, stack: string[]) => Promise<string | null>, mapper: (what: string, importer: string, stack: string[]) => TResolverArgs) => (resolveFn: TResolve) => (what: string, importer: string, stack: string[]) => Promise<string | null>;