import type { ObjMap, ReadOnlyObjMap } from './ObjMap';
/**
* Creates an object map with the same keys as `map` and values generated by
* running each value of `map` thru `fn`.
*/
export declare function mapValue<T, V>(
map: ReadOnlyObjMap<T>,
fn: (value: T, key: string) => V,
): ObjMap<V>;