8270246: Deprecate for removal implementation methods in Scene

Reviewed-by: arapte, aghaisas

modules/javafx.graphics/src/main/java/javafx/scene/Scene.java

@@ -842,6 +842,11 @@ void initPeer() {
         PerformanceTracker.logEvent("Scene.initPeer finished");
     }
 
+    // FIXME: make this method package-scope in the next release
+    /**
+     * @deprecated This method was exposed erroneously and will be removed in a future version.
+     */
+    @Deprecated(forRemoval = true, since = "17")
     public void disposePeer() {
         if (peer == null) {
             // This is fine, the window is either not shown yet and there is no
@@ -2135,6 +2140,12 @@ private void focusIneligible(Node node) {
         traverse(node, Direction.NEXT);
     }
 
+    // FIXME: make this method package-scope in the next release
+    /**
+     * @deprecated This method was exposed erroneously and will be removed in a future version.
+     * @param e undocumented method parameter
+     */
+    @Deprecated(forRemoval = true, since = "17")
     public void processKeyEvent(KeyEvent e) {
         if (dndGesture != null) {
             if (!dndGesture.processKey(e)) {
@@ -2221,6 +2232,12 @@ private void processInputMethodEvent(InputMethodEvent e) {
         }
     }
 
+    // FIXME: make this method package-scope in the next release
+    /**
+     * @deprecated This method was exposed erroneously and will be removed in a future version.
+     * @param enable undocumented method parameter
+     */
+    @Deprecated(forRemoval = true, since = "17")
     public void enableInputMethodEvents(boolean enable) {
        if (peer != null) {
            peer.enableInputMethodEvents(enable);