code: @SuppressWarnings("unchecked")
      @Override
  	public <T extends ApiUser> T getUserById(int id) {
  	    User sfsUser = getZone().getUserById(id);
  	    if(sfsUser != null && sfsUser.containsProperty(APIKey.USER))
  	        return (T) sfsUser.getProperty(APIKey.USER);
  	    return null;
  	}
docs: /* (non-Javadoc)
  @see com.tvd12.ezyfox.core.entities.ApiZone#getUserById(int)