···11#import <CoreMIDI/MIDIServices.h>
2233+// Note: It is expected for some of these values to be assigned `nil`,
44+// Not sure why Apple doesn't actually assign a CFString value to these
55+// variables...
66+77+/* Identification */
38const CFStringRef kMIDIPropertyName = nil;
44-const CFStringRef kMIDIPropertyConnectionUniqueID = nil;
59const CFStringRef kMIDIPropertyUniqueID = nil;
1010+1111+/* Timing */
1212+const CFStringRef kMIDIPropertyAdvanceScheduleTimeMuSec = nil;
1313+1414+/* Connections */
1515+const CFStringRef kMIDIPropertyConnectionUniqueID = nil;