public async Task RestrictCategoryToStaff(ulong categoryId, ulong staffRoleId)
{
var category = _discordGuildService.GetCategory(categoryId);
var everyoneRole = _discordGuildService.GetEveryoneRole();
var staffRole = _discordGuildService.GetRole(staffRoleId);
await category.AddPermissionOverwriteAsync(everyoneRole, OverwritePermissions.DenyAll(category));
await category.AddPermissionOverwriteAsync(staffRole,
new OverwritePermissions(addReactions : PermValue.Allow,
viewChannel : PermValue.Allow,
sendMessages : PermValue.Allow,
embedLinks : PermValue.Allow,
manageMessages : PermValue.Allow,
attachFiles : PermValue.Allow,
readMessageHistory : PermValue.Allow,
useExternalEmojis : PermValue.Allow));
}