Bug 241209 [Markers] [Problems View] Changing columns in the preferences makes errors disappear from the view
bundles/org.eclipse.ui.ide/src/org/eclipse/ui/internal/views/markers/ExtendedMarkersView.java
public void dispose() {
			}
			/*
			 * (non-Javadoc)
			 * 
			 * @see org.eclipse.jface.viewers.ILazyTreeContentProvider#updateChildCount(java.lang.Object,
			 *      int)
			 */
			
			
			
			
			
			
			
			
			
			
			
			
			
			
			
			
			
			
			
			/*
			 * (non-Javadoc)
			 *