usingDeclarationsInForOf.2.ts(1,6): error TS2304: Cannot find name 'using'.
usingDeclarationsInForOf.2.ts(1,15): error TS2304: Cannot find name 'of'.
usingDeclarationsInForOf.2.ts(1,19): error TS1011: An element access expression should take an argument.


==== usingDeclarationsInForOf.2.ts (3 errors) ====
    for (using of of []) {
         ~~~~~
!!! error TS2304: Cannot find name 'using'.
                  ~~
!!! error TS2304: Cannot find name 'of'.
                      
!!! error TS1011: An element access expression should take an argument.
    }
    