hunk.code_window:     expect(set.size).toEqual(1);
     });
   });
   describe('Issue #1220 : Seq.rest() throws an exception when invoked on a single item sequence ', () => {
     it('should be iterable', () => {
       // Helper for this test
       const ITERATOR_SYMBOL =
  
hunk.labels: keep keep keep add keep keep keep keep
hunk.after_edit: describe('Issue #1188', () => {
     it('Removing items from OrderedSet should return OrderedSet', () => {
       const orderedSet = OrderedSet(['one', 'two', 'three']);
       const emptyOrderedSet = orderedSet.subtract(['two', 'three', 'one']);
       expect(OrderedSet.isOrderedSet(emptyOrderedSet)).toBe(true);
     });
   });
  
hunk.file_path: __tests__/issues.ts
hunk.type: add
file: {
    "compilerOptions": {
      "target": "es2015",
      "module": "commonjs",
      "sourceMap": true,
      "noImplicitAny": true,
      "noImplicitThis": true,
      "strictNullChecks": true,
      "lib": [
        "es2015"
      ]
    },
    "exclude": [
      "node_modules"
    ]
  }
  