void foo(int, int) {} /* OUTPUT: { "types": [], "functions": [{ "id": 0, "usr": "c:@F@foo#I#I#", "short_name": "foo", "qualified_name": "foo", "definition": "tests/vars/function_param_unnamed.cc:1:6", "all_uses": ["tests/vars/function_param_unnamed.cc:1:6"] }], "variables": [] } */