code: @SuppressWarnings("unchecked")
      @Override
  	public <T extends ApiUser> T getUserByName(String username) {
  	    User sfsUser = getZone().getUserByName(username);
          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#getUserByName(java.lang.String)