interface ServeFileOptionsimport { type ServeFileOptions } from "https://deno.land/std@0.183.0/http/file_server.ts"; Interface for serveFile options. PropertiesoptionaletagAlgorithm: DigestAlgorithm = "fnv1a"The algorithm to use for generating the ETag. optionalfileInfo: Deno.FileInfoAn optional FileInfo object returned by Deno.stat. It is used for optimization purposes.