diff --git a/source/src/main/java/one/nem/lacerta/source/file/FileManager.java b/source/src/main/java/one/nem/lacerta/source/file/FileManager.java
index 71be3f04..e491a870 100644
--- a/source/src/main/java/one/nem/lacerta/source/file/FileManager.java
+++ b/source/src/main/java/one/nem/lacerta/source/file/FileManager.java
@@ -6,6 +6,8 @@ import java.io.File;
 import java.nio.file.Path;
 import java.util.List;
 
+import one.nem.lacerta.source.file.model.XmlMetaModel;
+
 public interface FileManager {
 
     Path getRootDir();
@@ -20,8 +22,7 @@ public interface FileManager {
     Bitmap loadBitmap(Path path);
     void removeBitmap(Path path);
 
-//    void saveFileAtCurrent(File file);
-//    File getFile(Path path);
-//    void removeFile(Path path);
 
+    XmlMetaModel getXmlMeta();
+    void saveXmlMeta(XmlMetaModel xmlMeta);
 }
diff --git a/source/src/main/java/one/nem/lacerta/source/file/impl/FileManagerImpl.java b/source/src/main/java/one/nem/lacerta/source/file/impl/FileManagerImpl.java
index 8a1cc1a7..8ead1b65 100644
--- a/source/src/main/java/one/nem/lacerta/source/file/impl/FileManagerImpl.java
+++ b/source/src/main/java/one/nem/lacerta/source/file/impl/FileManagerImpl.java
@@ -16,6 +16,7 @@ import javax.inject.Inject;
 import dagger.assisted.Assisted;
 import dagger.assisted.AssistedInject;
 import one.nem.lacerta.source.file.FileManager;
+import one.nem.lacerta.source.file.model.XmlMetaModel;
 
 public class FileManagerImpl implements FileManager {
 
@@ -104,27 +105,14 @@ public class FileManagerImpl implements FileManager {
 
     }
 
-//    @Override
-//    public void saveFileAtCurrent(File file) {
-//        try {
-//            Files.copy(file.toPath(), currentDir.resolve(file.getName()));
-//        } catch (IOException e) {
-//            e.printStackTrace();
-//        }
-//    }
-//
-//    @Override
-//    public File getFile(Path path) {
-//        // ファイルを取得する
-//        return path.toFile();
-//    }
-//
-//    @Override
-//    public void removeFile(Path path) {
-//        // ファイルを削除する
-//        if (path.toFile().exists()) {
-//            path.toFile().delete(); // Resultを返す？
-//        }
-//    }
+    @Override
+    public XmlMetaModel getXmlMeta() {
+        return null;
+    }
+
+    @Override
+    public void saveXmlMeta(XmlMetaModel xmlMeta) {
+
+    }
 
 }