src/java.base/share/classes/sun/nio/ch/DirectBuffer.java

@@ -23,17 +23,17 @@
  * questions.
  */
 
 package sun.nio.ch;
 
-import jdk.internal.ref.Cleaner;
 
+import java.lang.ref.Cleaner;
 
 public interface DirectBuffer {
 
     public long address();
 
     public Object attachment();
 
-    public Cleaner cleaner();
+    public Cleaner.Cleanable cleaner();
 
 }