function popup_findechoimport { popup_findecho } from "https://deno.land/x/denops_std@v6.4.0/function/vim/mod.ts"; popup_findecho(denops: Denops): Promise<number>Get the window-ID for the popup that shows messages for the :echowindow command. Return zero if there is none. Mainly useful to hide the popup. Get the window-ID for the popup that shows messages for the :echowindow command. Return zero if there is none. Mainly useful to hide the popup. Parametersdenops: DenopsReturnsPromise<number>