import java.util.ArrayList;
import java.util.Collection;

import lombok.Delegate;


public class DelegateExample {
	long counter = 0L;
	
	@Delegate
	private final Collection<String> collection = new ArrayList<String>();
	
	public boolean add(String name) {
		counter++;
		return collection.add(name);
	}
}

class PartialDelegationExample {
	@Delegate({SimpleCollection.class})
	private final Collection<String> collection = new ArrayList<String>();
	
	private interface SimpleCollection {
		boolean add(String item);
		boolean remove(Object item);
	}
}