namespace foo {
    namespace bar {
         namespace baz {
             int qux = 42;
         }
    }
}

namespace fbz = foo::bar::baz;

void func() {
  int a = foo::bar::baz::qux;
  int b = fbz::qux;
}

/*
OUTPUT:
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    }, {
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    }, {
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    }, {
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    }, {
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}
*/