return nil;
if ((signatures = [self->signatureCache objectForKey:_method]))
- return [signatures isNotNull] ? signatures : nil;
+ return [signatures isNotNull] ? signatures : (NSArray *)nil;
fqMethodName = [self fqMethodNameForMethod:_method];
self->signatureCache = [[NSMutableDictionary alloc] initWithCapacity:32];
[self->signatureCache
- setObject:result?result:(id)[NSNull null]
+ setObject:(result ? result : (NSMutableArray *)[NSNull null])
forKey:_method];
return result;