awaitUsingDeclarations.12.ts(2,21): error TS2851: The initializer of an 'await using' declaration must be either an object with a '[Symbol.asyncDispose]()' or '[Symbol.dispose]()' method, or be 'null' or 'undefined'.


==== awaitUsingDeclarations.12.ts (1 errors) ====
    async function f() {
        await using x = {};
                        ~~
!!! error TS2851: The initializer of an 'await using' declaration must be either an object with a '[Symbol.asyncDispose]()' or '[Symbol.dispose]()' method, or be 'null' or 'undefined'.
    }