error TS5107: Option 'module=System' is deprecated and will stop functioning in TypeScript 7.0. Specify compilerOption '"ignoreDeprecations": "6.0"' to silence this error.


!!! error TS5107: Option 'module=System' is deprecated and will stop functioning in TypeScript 7.0. Specify compilerOption '"ignoreDeprecations": "6.0"' to silence this error.
==== a.ts (0 errors) ====
    declare function forwardRef(x: any): any;
    declare var Something: any;
    @Something({ v: () => Testing123 })
    export class Testing123 { }