src/java.base/share/classes/jdk/internal/access/JavaNioAccess.java

*** 45,63 ****
      /**
       * Constructs a direct ByteBuffer referring to the block of memory starting
       * at the given memory address and extending {@code cap} bytes.
       * The {@code ob} parameter is an arbitrary object that is attached
       * to the resulting buffer.
       */
!     ByteBuffer newDirectByteBuffer(long addr, int cap, Object ob, MemorySegmentProxy segment);
  
      /**
       * Constructs an heap ByteBuffer with given backing array, offset, capacity and segment.
       */
      ByteBuffer newHeapByteBuffer(byte[] hb, int offset, int capacity, MemorySegmentProxy segment);
  
      Object getBufferBase(ByteBuffer bb);
  
      long getBufferAddress(ByteBuffer bb);
  
      void checkSegment(Buffer buffer);
  }
--- 45,74 ----
      /**
       * Constructs a direct ByteBuffer referring to the block of memory starting
       * at the given memory address and extending {@code cap} bytes.
       * The {@code ob} parameter is an arbitrary object that is attached
       * to the resulting buffer.
+      * Used by {@code jdk.internal.foreignMemorySegmentImpl}.
       */
!     ByteBuffer newDirectByteBuffer(long addr, int cap, Object obj, MemorySegmentProxy segment);
  
      /**
       * Constructs an heap ByteBuffer with given backing array, offset, capacity and segment.
+      * Used by {@code jdk.internal.foreignMemorySegmentImpl}.
       */
      ByteBuffer newHeapByteBuffer(byte[] hb, int offset, int capacity, MemorySegmentProxy segment);
  
+     /**
+      * Used by {@code jdk.internal.foreign.Utils}.
+      */
      Object getBufferBase(ByteBuffer bb);
  
+     /**
+      * Used by {@code jdk.internal.foreign.Utils}.
+      */
      long getBufferAddress(ByteBuffer bb);
  
+     /**
+      * Used by byte buffer var handle views.
+      */
      void checkSegment(Buffer buffer);
  }