Bug 36514 call hierarchy: should remove 'search ... using ..' preferences
we should decide whether the answer should be true or false and remove the preference settings - no user will ever understand what the setting means
org.eclipse.jdt.ui/ui/org/eclipse/jdt/internal/ui/callhierarchy/CallHierarchyViewPart.java
}
    /**
     * @return ISelectionChangedListener
     */
    public void selectionChanged(SelectionChangedEvent e) {
        if (e.getSelectionProvider() == fCallHierarchyViewer) {
            methodSelectionChanged(e.getSelection());
        } else {
            locationSelectionChanged(e.getSelection());
        }
    }
    /**
     * @param selection
     */
    private void locationSelectionChanged(ISelection selection) {}
    /**
     * @param selection
     */
    private void methodSelectionChanged(ISelection selection) {
        if (selection instanceof IStructuredSelection) {
            Object selectedElement = ((IStructuredSelection) selection).getFirstElement();
            if (selectedElement instanceof MethodWrapper) {
                MethodWrapper methodWrapper = (MethodWrapper) selectedElement;
                revealElementInEditor(methodWrapper, fCallHierarchyViewer);
                updateLocationsView(methodWrapper);
            } else {
                updateLocationsView(null);
            }
        }
    }