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/ProblemSeveritiesPreferencePage.java
public static final String PREF_ID= "org.eclipse.jdt.ui.preferences.ProblemSeveritiesPreferencePage"; 
	public static final String PROP_ID= "org.eclipse.jdt.ui.propertyPages.ProblemSeveritiesPreferencePage"; 
	private ProblemSeveritiesConfigurationBlock fConfigurationBlock;
	public ProblemSeveritiesPreferencePage() {
		setPreferenceStore(JavaPlugin.getDefault().getPreferenceStore());
		
		
		
		setTitle(PreferencesMessages.ProblemSeveritiesPreferencePage_title);		 
	}
	/*
	 * @see org.eclipse.jface.dialogs.IDialogPage#createControl(org.eclipse.swt.widgets.Composite)
	 */
	public void createControl(Composite parent) {