#include <folly/Portability.h>
#include <folly/Preprocessor.h> // for FB_ANONYMOUS_VARIABLE
#include <folly/ScopeGuard.h>
+#include <folly/portability/GFlags.h>
#include <folly/portability/Time.h>
#include <cassert>
#include <boost/function_types/function_arity.hpp>
#include <functional>
#include <glog/logging.h>
-#include <gflags/gflags.h>
#include <limits>
#include <type_traits>