Bug 56588 Call Hierarchy should remove redundant mode overlays
org.eclipse.jdt.ui/ui/org/eclipse/jdt/internal/ui/JavaPluginImages.java
private static final String NAME_PREFIX= "org.eclipse.jdt.ui."; 
	private static final int    NAME_PREFIX_LENGTH= NAME_PREFIX.length();
	private static URL fgIconBaseURL= null;
	
	
	
	static {
		String pathSuffix= "icons/full/"; 
		try {
			fgIconBaseURL= new URL(JavaPlugin.getDefault().getDescriptor().getInstallURL(), pathSuffix);
		} catch (MalformedURLException e) {
			
		}
	}