package io.asfjava.ui.core.form;

import java.util.HashMap;
 
public class TitleMapsAdapter {
	
	public HashMap<String,Object> getPossibleValues(){
	return null;	
	}
		
	

}

package io.asfjava.ui.core.form;

import java.util.HashMap;
 
public class TitleMapsAdapter {
	
	public Map<String,Object> getPossibleValues(){
	return null;	
	}
		
	

}

Change method signature