error TS5101: Option 'outFile' is deprecated and will stop functioning in TypeScript 7.0. Specify compilerOption '"ignoreDeprecations": "6.0"' to silence this error.
error TS6082: Only 'amd' and 'system' modules are supported alongside --outFile.


!!! error TS5101: Option 'outFile' is deprecated and will stop functioning in TypeScript 7.0. Specify compilerOption '"ignoreDeprecations": "6.0"' to silence this error.
!!! error TS6082: Only 'amd' and 'system' modules are supported alongside --outFile.
==== ref/a.ts (0 errors) ====
    export class A { }
    
==== b.ts (0 errors) ====
    import {A} from "./ref/a";
    export class B extends A { }