autonumberingInEnums.ts(1,6): error TS2567: Enum declarations can only merge with namespace declarations.
autonumberingInEnums.ts(5,6): error TS2567: Enum declarations can only merge with namespace declarations.


==== autonumberingInEnums.ts (2 errors) ====
    enum Foo {
         ~~~
!!! error TS2567: Enum declarations can only merge with namespace declarations.
        a = 1
    }
    
    enum Foo {
         ~~~
!!! error TS2567: Enum declarations can only merge with namespace declarations.
        b
    }