refactor: 💥 framework.h introduced + IWYU

test/static/concepts_test.cpp

@@ -20,8 +20,6 @@
 // OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 // SOFTWARE.
 
-#include <mp-units/concepts.h>
-#include <mp-units/quantity_point.h>
 #include <mp-units/systems/isq/space_and_time.h>
 #include <mp-units/systems/natural/natural.h>
 #include <mp-units/systems/si/si.h>
@@ -29,6 +27,7 @@
 #include <complex>
 #include <optional>
 #include <string>
+#include <type_traits>
 
 template<typename T>
 inline constexpr bool mp_units::is_scalar<std::complex<T>> = true;