class Foo {
  void foo();
};

/*
// NOTE: Lack of declaring_type in functions and funcs in Foo is okay, because
//       those are processed when we find the definition for Foo::foo. Pure
//       virtuals are treated specially and get added to the type immediately.

OUTPUT:
{
  "types": [{
      "id": 0,
      "usr": "c:@S@Foo",
      "short_name": "Foo",
      "qualified_name": "Foo",
      "definition": "1:1:7",
      "funcs": [0],
      "all_uses": ["1:1:7"]
    }],
  "functions": [{
      "id": 0,
      "usr": "c:@S@Foo@F@foo#",
      "short_name": "foo",
      "qualified_name": "Foo::foo",
      "declaration": "1:2:8",
      "declaring_type": 0,
      "all_uses": ["1:2:8"]
    }],
  "variables": []
}
*/