class None {
}

export default new None();

export const isNone = (value) =>
  value instanceof None;

@@ -6,16 +6,71 @@
  None %7B%0A
+  constructor() %7B%0A    this%5B'@@qim/isNone'%5D = true;%0A  %7D%0A
 %7D%0A%0Aexpor
@@ -137,21 +137,30 @@
 lue 
-instanceof 
+&& value%5B'@@qim/is
 None
+'%5D
 ;%0A

make none safe across multiple classes