fetchBan method
Fetch a ban in a guild.
Implementation
Future<Ban> fetchBan(Snowflake id, Snowflake userId) async {
final route = HttpRoute()
..guilds(id: id.toString())
..bans(id: userId.toString());
final request = BasicRequest(route);
final response = await client.httpHandler.executeSafe(request);
final ban = parseBan(response.jsonBody as Map<String, Object?>);
client.updateCacheWith(ban);
return ban;
}