}
+ (NJOutput *)outputDeserialize:(NSDictionary *)serialization
- withMappings:(NSArray *)mappings {
+ withMappings:(id <NSFastEnumeration>)mappings {
NJOutputMouseScroll *output = [[NJOutputMouseScroll alloc] init];
output.direction = [serialization[@"direction"] intValue];
output.speed = [serialization[@"speed"] floatValue];