feat: Add interfaces and types for bulk import

src/main/java/io/supertokens/pluginInterface/bulkimport/BulkImportStorage.java

@@ -40,7 +40,7 @@ void addBulkImportUsers(AppIdentifier appIdentifier, List<BulkImportUser> users)
      * Get users from the bulk_import_users table
      */
     List<BulkImportUserInfo> getBulkImportUsers(AppIdentifier appIdentifier, @Nonnull Integer limit, @Nullable BulkImportUserStatus status,
-            @Nullable String bulkImportUserId) throws StorageQueryException;
+            @Nullable String bulkImportUserId, @Nullable Long createdAt) throws StorageQueryException;
 
     /**
      * Delete users by id from the bulk_import_users table

src/main/java/io/supertokens/pluginInterface/bulkimport/BulkImportUser.java

@@ -53,11 +53,11 @@ public String toString() {
 
     public static class TotpDevice {
         public String secretKey;
-        public Number period;
-        public Number skew;
+        public Integer period;
+        public Integer skew;
         public String deviceName;
 
-        public TotpDevice(String secretKey, Number period, Number skew, String deviceName) {
+        public TotpDevice(String secretKey, Integer period, Integer skew, String deviceName) {
             this.secretKey = secretKey;
             this.period = period;
             this.skew = skew;