usingDeclarations.6.ts(2,11): error TS1492: 'using' declarations may not have binding patterns.
usingDeclarations.6.ts(2,12): error TS2339: Property 'a' does not exist on type 'null'.


==== usingDeclarations.6.ts (2 errors) ====
    {
        using {a} = null;
              ~~~
!!! error TS1492: 'using' declarations may not have binding patterns.
               ~
!!! error TS2339: Property 'a' does not exist on type 'null'.
    }
    