CTFontCollectionMBS.kCTFontCollectionCopyDefaultOptions = 0

Type	Topic	Plugin	Version
const	CoreText	MBS MacCG Plugin	14.2

One of the Bulk attribute access.

Passing this option indicates that defaults are to be used.
Available in OS X v10.7 and later.

CTFontCollectionMBS.kCTFontCollectionCopyStandardSort = 2

Type	Topic	Plugin	Version
const	CoreText	MBS MacCG Plugin	14.2

One of the Bulk attribute access.

Passing this option indicates that the return values should be sorted in standard UI order, suitable for display to the user. This is the same sorting behavior used by NSFontPanel and Font Book.
Available in OS X v10.7 and later.

CTFontCollectionMBS.kCTFontCollectionCopyUnique = 1

Type	Topic	Plugin	Version
const	CoreText	MBS MacCG Plugin	14.2

One of the Bulk attribute access.

Passing this option indicates that duplicate values should be removed from the results.
Available in OS X v10.7 and later.