// [|foo|] -> this should not get updated
function foo () {}

// [|foo|]  -> Should this get update?
var x = function [|foo|] () {}  // rename foo here should not affect foo outside

var y = function () {
   [|foo|](); // Rename foo here 
}

// [|Foo|] -> this should not get updated
class Foo () {}

// [|Foo|]  -> Should this get update
var x = class [|Foo|] () { \\ Rename Foo here
    getClassName() {
        [|Foo|] -> rename Foo here
    }
} 

var y = class {
   getSomeName() {
      [|Foo|].  -> rename Foo here
   }
}