--- old/src/java.datatransfer/share/classes/java/awt/datatransfer/DataFlavor.java	2017-04-03 16:48:29.000000000 +0300
+++ new/src/java.datatransfer/share/classes/java/awt/datatransfer/DataFlavor.java	2017-04-03 16:48:29.000000000 +0300
@@ -211,6 +211,9 @@
      *     representationClass = java.awt.Image
      *     mimeType            = "image/x-java-image"
      * </pre>
+     * Will be {@code null} if {@code java.awt.Image} is not visible, the
+     * {@code java.desktop} module is not loaded, or the {@code java.desktop}
+     * module is not in the run-time image.
      */
     public static final DataFlavor imageFlavor = createConstant("image/x-java-image; class=java.awt.Image", "Image");