+@property (nonatomic, strong) ASIPithosObject *pithosObject;
+@property (nonatomic, strong) NSArray *versions;
+@property (nonatomic, strong) ASIPithosObjectRequest *applyMetadataObjectRequest;
+@property (nonatomic, strong) ASIPithosObjectRequest *refreshMetadataObjectRequest;
+@property (nonatomic, strong) ASIPithosObjectRequest *refreshVersionsObjectRequest;