@@ -27,11 +27,11 @@ import sun.reflect.generics.visitor.TypeTreeVisitor; /** AST that represents the type long. */ public class LongSignature implements BaseType { - private static LongSignature singleton = new LongSignature(); + private static final LongSignature singleton = new LongSignature(); private LongSignature(){} public static LongSignature make() {return singleton;}