import { Keyboard } from "https://deno.land/x/grammy_menu@v1.2.2/deps.deno.ts";
Creates and returns a deep copy of this keyboard.
Optionally takes a new grid of buttons to replace the current buttons. If specified, only the options will be cloned, and the given buttons will be used instead.
Parameters
optional
keyboard: KeyboardButton[][] = [UNSUPPORTED]