EDIT

import java.util.Map;

import java.util.Set;

import org.apache.log4j.Logger;

import org.springframework.context.annotation.Scope;

import org.springframework.security.core.GrantedAuthority;

    protected void initAdaptiveFields() {

        GridLayout grid = (GridLayout)getFieldLayout();

        // initialize the map of adaptive fields

        if(adaptiveFields.isEmpty()){

            try{

                Map<String, String> fieldPropertyDefinition = ReferencePropertyDefinitions.fieldPropertyDefinition(null);