Bug 77839 Type Restriction filters confusing in container children
20041104 The build path UI shows Type Restriction filters also on container children. But all container implementation don't support the feature, nor the update. It would be better to filter the entries for M3
org.eclipse.jdt.ui/ui/org/eclipse/jdt/internal/ui/wizards/buildpaths/CPListElement.java
public Object getAttribute(String key) {
		CPListElementAttribute attrib= findAttributeElement(key);
		if (attrib != null) {
			return attrib.getValue();
		}
		return null;
	}
	
	private void createAttributeElement(String key, Object value) {
		fChildren.add(new CPListElementAttribute(this, key, value));
	}	
	
	
	public Object[] getChildren(boolean hideOutputFolder) {
		if (hideOutputFolder && fEntryKind == IClasspathEntry.CPE_SOURCE) {
			return new Object[] { findAttributeElement(INCLUSION), findAttributeElement(EXCLUSION) };
		}
		return fChildren.toArray();
	}
	
	private void setParentContainer(Object element) {
		fParentContainer= element;
	}
	
	public Object getParentContainer() {
		return fParentContainer;
	}	
	
	private void attributeChanged(String key) {