Implement rest of PlotRegionBackups

BauSystem/BauSystem_Main/src/de/steamwar/bausystem/region/RegionBackups.java

@@ -25,12 +25,15 @@ import lombok.RequiredArgsConstructor;
 
 import javax.annotation.CheckReturnValue;
 import javax.annotation.Nullable;
+import java.time.format.DateTimeFormatter;
 import java.util.List;
 import java.util.Optional;
 import java.util.function.Function;
 
 public interface RegionBackups {
 
+    DateTimeFormatter FORMATTER = DateTimeFormatter.ofPattern("yyyy.MM.dd' 'HH:mm:ss");
+
     @RequiredArgsConstructor
     enum BackupType {
         MANUAL(5),
@@ -60,6 +63,10 @@ public interface RegionBackups {
         @CheckReturnValue
         public abstract boolean load();
 
+        @Override
+        public final void save() {
+        }
+
         public abstract long getCreationTime();
 
         @Override
@@ -67,6 +74,10 @@ public interface RegionBackups {
             return Long.compare(getCreationTime(), o.getCreationTime());
         }
 
+        @Override
+        public final void load(RegionData regionData) {
+        }
+
         @SuppressWarnings("java:S3038") // This forces everybody to implement 'deleteRegion' for Backups!
         @Override
         public abstract void delete();