return ref.equals(otherField.ref)
if (isStatic() != otherField.isStatic()) return false; return (ref == null || ref.equals(otherField.ref))
	public boolean sameAs(Variable other) {		if (!(other instanceof FieldVariable))			return false;		FieldVariable otherField = (FieldVariable) other;		return ref.equals(otherField.ref)			&& className.equals(otherField.className)			&& fieldName.equals(otherField.fieldName);	}