Bug 98107 [Viewers] Change visibility of AbstractTreeViewer#internalRemove from private to protected
bundles/org.eclipse.jface/src/org/eclipse/jface/viewers/AbstractTreeViewer.java
if(itemExists(items,element)){
					refresh(element);
					newItem = false;
				}
				index = -1;
			}
			else{
				lastInsertion = insertionPosition(items,sorter,lastInsertion, element);
				
				if(lastInsertion == items.length)
					index = -1;
				else{
					while(lastInsertion < items.length && sorter.compare(this,element,items[lastInsertion].getData()) == 0){
						
						
						if (items[lastInsertion].getData().equals(element)) {
							
							refresh(element);
							newItem = false;
						}
						lastInsertion ++;
					}
					
					if(lastInsertion == items.length)
						index = -1;
					else
						index = lastInsertion + i; 					
				}
			}
			if(newItem)