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.
==== foo.ts (0 errors) ====
    export class Foo {
        a: string;
    }
    
==== bar.ts (0 errors) ====
    import {Foo} from './foo';
    export class Bar extends Foo {
        b: string;
    }