@class REMObjectID, NSString, NSMutableDictionary, NSDictionary, REMStore, NSMutableArray, REMSaveRequest, REMAccountChangeItem, REMAccount;
@protocol CalReminderKitProvider, CalReminderKitDatabaseMigrationContext;
@interface CalReminderMigrationContext : NSObject {
id<CalReminderKitDatabaseMigrationContext> _remDatabaseMigrationContext;
REMStore *_reminderStore;
REMSaveRequest *_saveRequest;
REMAccountChangeItem *_localAccountChangeItem;
NSMutableArray *_orderedListChangeItemsStack;
BOOL _accountsLoaded;
NSDictionary *_accountsForAccountIdentifiers;
REMAccount *_localAccount;
NSMutableDictionary *_accountChangeItemsForAccountIdentifiers;
BOOL _recordedAnyFatalFailures;
}
@property (readonly, nonatomic) id<CalReminderKitProvider> reminderKitProvider;
@property (readonly, nonatomic) BOOL shouldPerformMigration;
@property (readonly, nonatomic) BOOL shouldDeleteMigratedData;
@property (readonly, nonatomic) REMSaveRequest *saveRequest;
@property (readonly, nonatomic) REMAccountChangeItem *localAccountChangeItem;
@property (retain, nonatomic) NSString *defaultListOriginalIdentifier;
@property (readonly, nonatomic) REMObjectID *defaultListMigratedIdentifier;
@property (readonly, nonatomic) BOOL isCurrentOrderedListItemsContextEmpty;
- (BOOL)_setup;
- (id)reminderStore;
- (void)_loadAccountsIfNeeded;
- (void).cxx_destruct;
- (BOOL)ensureAccountsExist:(id)a0;
- (void)_didEndMigrationWithSuccess:(BOOL)a0;
- (id)_initWithReminderKitProvider:(id)a0;
- (void)_sortAddedReminderListsInAccountChangeItem:(id)a0;
- (id)_sortedAddedListChangeItems;
- (BOOL)_tryBeginMigration;
- (void)_verifyAccountHasNoLists:(id)a0 withAccountIdentifier:(id)a1;
- (void)_willBeginMigration;
- (id)accountsForAccountIdentifiers;
- (id)existingAccountChangeItemWithAccountIdentifier:(id)a0;
- (BOOL)finishMigrationWithSave:(BOOL)a0;
- (void)popOrderedListItemsContextAndSortListsInAccountChangeItem:(id)a0;
- (void)pushOrderedListItemsContext;
- (void)recordAddedListChangeItem:(id)a0 withOriginalIdentifier:(id)a1 order:(id)a2;
- (void)recordMigrationFailureWithDescription:(id)a0 inStage:(unsigned long long)a1 underlyingError:(id)a2;
- (void)recordMigrationFailureWithDescription:(id)a0 inStage:(unsigned long long)a1 underlyingError:(id)a2 relatedTo:(id)a3;
- (void)recordMigrationFailureWithDescription:(id)a0 inStage:(unsigned long long)a1 underlyingError:(id)a2 relatedTo:(id)a3 isFatal:(BOOL)a4;
@end