a.tsx(1,13): error TS2875: This JSX tag requires the module path 'react/jsx-runtime' to exist, but none could be found. Make sure you have types for the appropriate package installed.
a.tsx(1,14): error TS2552: Cannot find name 'App'. Did you mean 'app'?


==== a.tsx (2 errors) ====
    const app = <App />;
                ~~~~~~~
!!! error TS2875: This JSX tag requires the module path 'react/jsx-runtime' to exist, but none could be found. Make sure you have types for the appropriate package installed.
                 ~~~
!!! error TS2552: Cannot find name 'App'. Did you mean 'app'?
!!! related TS2728 a.tsx:1:7: 'app' is declared here.
    