-+ (NSArray*)fetch:(size_t)count error: (NSError * __autoreleasing *) error;
-+ (NSArray*)fetch:(size_t)count where:(NSDictionary*)whereDict error: (NSError * __autoreleasing *) error;
-+ (NSArray*)fetch: (size_t)count where:(NSDictionary*)whereDict orderBy:(NSArray*) orderColumns error: (NSError * __autoreleasing *) error;
-
-
-+ (bool) saveToDatabaseTable: (NSString*) table row: (NSDictionary*) row connection: (SecDbConnectionRef) dbconn error: (NSError * __autoreleasing *) error;
-+ (bool) deleteFromTable: (NSString*) table where: (NSDictionary*) whereDict connection:(SecDbConnectionRef) dbconn error: (NSError * __autoreleasing *) error;
-
-+ (bool) queryDatabaseTable:(NSString*) table
- where:(NSDictionary*) whereDict
- columns:(NSArray*) names
- groupBy:(NSArray*) groupColumns
- orderBy:(NSArray*) orderColumns
- limit:(ssize_t)limit
- processRow:(void (^)(NSDictionary*)) processRow
- error:(NSError * __autoreleasing *) error;
-
-+ (bool)queryMaxValueForField:(NSString*)maxField inTable:(NSString*)table where:(NSDictionary*)whereDict columns:(NSArray*)names processRow:(void (^)(NSDictionary*))processRow;
++ (NSArray*)fetch:(size_t)count error:(NSError* _Nullable __autoreleasing* _Nullable)error;
++ (NSArray*)fetch:(size_t)count
+ where:(NSDictionary* _Nullable)whereDict
+ error:(NSError* _Nullable __autoreleasing* _Nullable)error;
++ (NSArray*)fetch:(size_t)count
+ where:(NSDictionary* _Nullable)whereDict
+ orderBy:(NSArray* _Nullable)orderColumns
+ error:(NSError* _Nullable __autoreleasing* _Nullable)error;
+
+
++ (bool)saveToDatabaseTable:(NSString*)table
+ row:(NSDictionary*)row
+ connection:(SecDbConnectionRef _Nullable)dbconn
+ error:(NSError* _Nullable __autoreleasing* _Nullable)error;
++ (bool)deleteFromTable:(NSString*)table
+ where:(NSDictionary* _Nullable)whereDict
+ connection:(SecDbConnectionRef _Nullable)dbconn
+ error:(NSError* _Nullable __autoreleasing* _Nullable)error;
+
++ (bool)queryDatabaseTable:(NSString*)table
+ where:(NSDictionary* _Nullable)whereDict
+ columns:(NSArray*)names
+ groupBy:(NSArray* _Nullable)groupColumns
+ orderBy:(NSArray* _Nullable)orderColumns
+ limit:(ssize_t)limit
+ processRow:(void (^)(NSDictionary*))processRow
+ error:(NSError* _Nullable __autoreleasing* _Nullable)error;
+
++ (bool)queryMaxValueForField:(NSString*)maxField
+ inTable:(NSString*)table
+ where:(NSDictionary* _Nullable)whereDict
+ columns:(NSArray*)names
+ processRow:(void (^)(NSDictionary*))processRow;