tests/cases/compiler/forIn2.ts(1,15): error TS2407: The right-hand side of a 'for...in' statement must be of type 'any', an object type or a type parameter. ==== tests/cases/compiler/forIn2.ts (1 errors) ==== for (var i in 1) { ~ !!! error TS2407: The right-hand side of a 'for...in' statement must be of type 'any', an object type or a type parameter. }