import { win_getid } from "https://deno.land/x/denops_std@v3.9.0/function/mod.ts";
Get the |window-ID| for the specified window. When {win} is missing use the current window. With {win} this is the window number. The top window has number 1. Without {tab} use the current tab, otherwise the tab with number {tab}. The first tab has number one. Return zero if the window cannot be found. Can also be used as a |method|: GetWinnr()->win_getid()