"atomic_int": "atomic"
"chrono": "chrono"
"cout": "iostream"
"get_id": "thread"
"mutex": "mutex"
"size_t":
  - "cstddef"
  - "cstdio"
  - "cstdlib"
  - "cstring"
  - "ctime"
"string": "string"
"thread": "thread"
"uniform_int_distribution": "random"
"unordered_set": "unordered_set"
"va_end": "cstdarg"
"va_list": "cstdarg"
"va_start": "cstdarg"