interface CloserDeprecatedDeprecated(will be removed in 1.0.0) Use ReadableStream and WritableStream instead. import { type Closer } from "https://dotland.deno.dev/std@0.211.0/io/types.d.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.