Bug 55604 [implementation] JavaOutlinePage should dispose CustomFiltersActionGroup
org.eclipse.jdt.ui/ui/org/eclipse/jdt/internal/ui/javaeditor/JavaOutlinePage.java
*/
			public void run() {
				setTopLevelTypeOnly(!fTopLevelTypeOnly);
			}
			private void setTopLevelTypeOnly(boolean show) {
				fTopLevelTypeOnly= show;
				setChecked(show);
				fOutlineViewer.refresh(false);
				
				IPreferenceStore preferenceStore= JavaPlugin.getDefault().getPreferenceStore(); 
				preferenceStore.setValue("GoIntoTopLevelTypeAction.isChecked", show); 
			}
		}
		/**
		 * This action toggles whether this Java Outline page links
		 * its selection to the active editor.
		 * 
		 * @since 3.0
		 */
		public class ToggleLinkingAction extends AbstractToggleLinkingAction {
		
			JavaOutlinePage fJavaOutlinePage;
		
			/**
			 * Constructs a new action.
			 */
			public ToggleLinkingAction(JavaOutlinePage outlinePage) {
				boolean isLinkingEnabled= PreferenceConstants.getPreferenceStore().getBoolean(PreferenceConstants.EDITOR_SYNC_OUTLINE_ON_CURSOR_MOVE);
				setChecked(isLinkingEnabled);
				fJavaOutlinePage= outlinePage;