usingDeclarations.5.ts(3,11): error TS1492: 'using' declarations may not have binding patterns.
usingDeclarations.5.ts(3,11): error TS2488: Type 'null' must have a '[Symbol.iterator]()' method that returns an iterator.


==== usingDeclarations.5.ts (2 errors) ====
    {
        using a = null,
              [b] = null,
              ~~~
!!! error TS1492: 'using' declarations may not have binding patterns.
              ~~~
!!! error TS2488: Type 'null' must have a '[Symbol.iterator]()' method that returns an iterator.
              c = null;
    }
    