in Sources/SPTPersistentCacheObjectDescription.m [30:51]
static void SPTPersistentCacheObjectDescriptionAppendToString(NSMutableString *description, id<NSObject> object, id<NSObject> firstValue, va_list valueKeyPairs)
{
NSCParameterAssert(description);
NSCParameterAssert(object);
id<NSObject> value = firstValue;
id<NSObject> key = va_arg(valueKeyPairs, id);
while (!SPTIsObjectDescriptionTerminationSentinel(value) && !SPTIsObjectDescriptionTerminationSentinel(key)) {
if (value != object && key != object) {
[description appendFormat:@"; %@ = \"%@\"", key, value];
}
value = va_arg(valueKeyPairs, id);
if (SPTIsObjectDescriptionTerminationSentinel(value)) {
break;
}
key = va_arg(valueKeyPairs, id);
}
}