TypeParamOnReturnType.java.txt

public interface GenericVisitor<R, A> {

}

class Node {
    public abstract <R, A> R accept(GenericVisitor<R, A> v, A arg);
}

class TypeParamOnReturnType implements GenericVisitor<Boolean, Node> {

	private <T extends Node> boolean nodeEquals(final T n1, final T n2) {
		return n1.accept(this, n2).booleanValue();
	}

}