interface Closerimport { type Closer } from "https://dotland.deno.dev/std@0.223.0/streams/readable_stream_from_reader.ts"; An abstract interface which when implemented provides an interface to close files/resources that were previously opened. Methodsclose(): voidCloses the resource, "freeing" the backing file/resource. import Closerimport { Closer } from "https://dotland.deno.dev/std@0.223.0/streams/readable_stream_from_reader.ts";