import { err_teapot } from "https://deno.land/x/denops_std@v6.3.0/function/vim/mod.ts";
Produce an error with number 418, needed for implementation of RFC 2324. If {expr} is present and it is TRUE error 503 is given, indicating that coffee is temporarily not available. If {expr} is present it must be a String.
Parameters
denops: Denops