//// [multipleExportDefault5.ts]
//!   x the name `default` is exported multiple times
//!    ,-[1:1]
//!  1 | export default function bar() { }
//!    : ^^^^^^^^^^^^^^^^|^^^^^^^^^^^^^^^^
//!    :                 `-- previous exported here
//!  2 | export default class C {}
//!    : ^^^^^^^^^^^^|^^^^^^^^^^^^
//!    :             `-- exported more than once
//!    `----
//! 
//! Advice: 
//!   > Exported identifiers must be unique
