System/Library/PrivateFrameworks/ContactsAutocompleteUI.framework

CNAutocompleteUIPreferences.h

NSObject

@interface CNAutocompleteUIPreferences : NSObject

+ (id)copyCompositionServicesPreferenceValueForKey:(id)a0;
+ (void)setCompositionServicesPreferenceValue:(id)a0 forKey:(id)a1;

@end