1 files changed, 7 insertions, 3 deletions
diff --git a/src/main/java/design/persistence/importexport/DataSource.java b/src/main/java/design/persistence/importexport/DataSource.java
index 5290e33..e735c7e 100644
--- a/src/main/java/design/persistence/importexport/DataSource.java
+++ b/src/main/java/design/persistence/importexport/DataSource.java
@@ -1,12 +1,16 @@
 package design.persistence.importexport;
 
-import com.fasterxml.jackson.databind.JsonNode;
+import com.fasterxml.jackson.databind.module.SimpleModule;
 
 import java.io.IOException;
 
 public interface DataSource {
 
-    void importData(JsonNode tree) throws IOException;
+    void importData(Object data) throws IOException;
 
-    JsonNode exportData() throws IOException;
+    Object exportData() throws IOException;
+
+    SimpleModule getJacksonModule();
+
+    Class<?> getTargetClass();
 }
 \ No newline at end of file