llvm-project/clang-tools-extra/test/pp-trace/Inputs/module.map

// module.map

module Level1A {
  header "Level1A.h"
  export *
}
module Level1B {
  header "Level1B.h"
  export *
  module Level2B {
    header "Level2B.h"
    export *
  }
}
module Level2A {
  header "Level2A.h"
  export *
}