--- old/src/java.desktop/share/classes/javax/sound/midi/spi/MidiDeviceProvider.java	2020-08-06 02:07:17.444148500 -0700
+++ new/src/java.desktop/share/classes/javax/sound/midi/spi/MidiDeviceProvider.java	2020-08-06 02:07:16.846338300 -0700
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 1999, 2018, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 1999, 2020, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -39,6 +39,11 @@
 public abstract class MidiDeviceProvider {
 
     /**
+     * Constructs a {@code MidiDeviceProvider}.
+     */
+    protected MidiDeviceProvider() {}
+
+    /**
      * Indicates whether the device provider supports the device represented by
      * the specified device info object.
      *