error TS5107: Option 'target=ES5' is deprecated and will stop functioning in TypeScript 7.0. Specify compilerOption '"ignoreDeprecations": "6.0"' to silence this error.


!!! error TS5107: Option 'target=ES5' is deprecated and will stop functioning in TypeScript 7.0. Specify compilerOption '"ignoreDeprecations": "6.0"' to silence this error.
==== asyncQualifiedReturnType_es5.ts (0 errors) ====
    namespace X {
        export class MyPromise<T> extends Promise<T> {
        }
    }
    
    async function f(): X.MyPromise<void> {
    }