[[NSFileManager defaultManager] createFileAtPath:path contents:data attributes:nil]

[self.myProperty setObject:obj forKey:key];

NSString *newValue = [@"my string" stringByTrimmingCharactersInSet:NSCharacterSet.whitespaceCharacterSet];

NSString *newValue = [myStrings[0] stringByTrimmingCharactersInSet:NSCharacterSet.whitespaceCharacterSet];
