import { Command } from "https://dotland.deno.dev/x/cliffy@v1.0.0-rc.4/command/mod.ts";
Set the long command description.
Parameters
description: Description<TCommandOptions, TCommandArguments, TCommandGlobals, TParentCommandGlobals, TCommandTypes, TCommandGlobalTypes, TParentCommandTypes, TParentCommand>
The command description.