Bug 82231 [build path] Hard to find type restriction compiler problem preferences
I20050104-1600 There compiler preference page contains a Warning/Error node with many sub-entries . I tried to find where I could change the 'warning' for the access of internal types to 'error'. No luck until I realized that the Build node also contains Warning/Error settings.
org.eclipse.jdt.ui/ui/org/eclipse/jdt/internal/ui/preferences/OptionsConfigurationBlock.java
protected IStatusChangeListener fContext;
	protected final IProject fProject; 
	protected final Key[] fAllKeys;
	
	private IScopeContext[] fLookupOrder;
	
	private Shell fShell;
	private final IWorkingCopyManager fManager;
	private IWorkbenchPreferenceContainer fContainer;
	private Map fDisabledProjectSettings; 
	
	public OptionsConfigurationBlock(IStatusChangeListener context, IProject project, Key[] allKeys, IWorkbenchPreferenceContainer container) {
		fContext= context;
		fProject= project;
		fAllKeys= allKeys;
		fContainer= container;
		if (container == null) {
			fManager= new WorkingCopyManager();
		} else {
			fManager= container.getWorkingCopyManager();
		}
		
		if (fProject != null) {
			fLookupOrder= new IScopeContext[] {
				new ProjectScope(fProject),
				new InstanceScope(),
				new DefaultScope()
			};
		} else {
			fLookupOrder= new IScopeContext[] {