src/jdk.jpackage/share/classes/jdk/jpackage/internal/AbstractAppImageBuilder.java

@@ -62,11 +62,12 @@
 
     public InputStream getResourceAsStream(String name) {
         return ResourceLocator.class.getResourceAsStream(name);
     }
 
-    public abstract void prepareApplicationFiles() throws IOException;
+    public abstract void prepareApplicationFiles(
+            Map<String, ? super Object> params) throws IOException;
     public abstract void prepareJreFiles() throws IOException;
     public abstract Path getAppDir();
     public abstract Path getAppModsDir();
 
     public Path getRoot() {