interface ContentType { type: string; parameters: Record; } interface FastContentTypeParse { parse: (header: string) => ContentType; safeParse: (header: string) => ContentType; defaultContentType: ContentType; } declare namespace fastContentTypeParse { export function parse (header: string): ContentType export function safeParse (header: string): ContentType export const defaultContentType: ContentType const fastContentTypeParse: FastContentTypeParse export { fastContentTypeParse as default } } export = fastContentTypeParse