listPermissions method
List all the CommandPermissions in this guild.
Implementation
Future<List<CommandPermissions>> listPermissions() async {
final route = HttpRoute()
..applications(id: applicationId.toString())
..guilds(id: guildId.toString())
..commands()
..permissions();
final request = BasicRequest(route);
final response = await client.httpHandler.executeSafe(request);
final permissions = parseMany(response.jsonBody as List, parseCommandPermissions);
permissions.forEach(client.updateCacheWith);
return permissions;
}