function mockConnimport { mockConn } from "https://deno.land/std@0.80.0/http/_mock_conn.ts"; mockConn(base?: Partial<Deno.Conn>): Deno.ConnCreate dummy Deno.Conn object with given base properties Parametersoptionalbase: Partial<Deno.Conn> = [UNSUPPORTED]ReturnsDeno.Conn