add import

Author: jt2594838

iotdb-core/datanode/src/main/java/org/apache/iotdb/db/storageengine/dataregion/snapshot/SnapshotLoader.java

@@ -29,6 +29,7 @@
 import org.apache.iotdb.db.storageengine.dataregion.DataRegion;
 import org.apache.iotdb.db.storageengine.dataregion.flush.CompressionRatio;
 
+import org.apache.iotdb.db.storageengine.dataregion.tsfile.TsFileResource;
 import org.apache.tsfile.common.constant.TsFileConstant;
 import org.apache.tsfile.external.commons.io.FileUtils;
 import org.slf4j.Logger;