@robinbobin/mimetype-constants/dist/js/src/extend.d.ts

Extensible MIME constants with typescript support

import type { TMimeTypes } from './mimeTypes';
import type { TTypeGroup } from './typeGroups';
export declare function extend<TNewMimeTypes extends TTypeGroup<string, string>>(typeGroups: TNewMimeTypes): TMimeTypes & TNewMimeTypes;