code: @Override
      public <U extends ApiBaseUser> ResponseToRoom exclude(Collection<U> users) {
      	for(U user : users)
      		this.excludedUsers.add(user.getName());
      	return this;
      }
docs: /* (non-Javadoc)
  @see com.tvd12.ezyfox.core.command.ResponseToRoom#exclude(java.util.Collection)