Bug 221521 [Markers] New markers API needs to be pared down
We have too much API in some of the new classes and they can be moved to internals
bundles/org.eclipse.ui.ide/src/org/eclipse/ui/internal/views/markers/ExtendedMarkersView.java
/*
			 * (non-Javadoc)
			 * 
			 * @see org.eclipse.jface.viewers.ITreeContentProvider#getChildren(java.lang.Object)
			 */
			public Object[] getChildren(Object parentElement) {
				MarkerSupportItem[] children = ((MarkerSupportItem) parentElement)
						.getChildren();
				return getLimitedChildren(children);
			}
			/**
			 * Get the children limited by the marker limits.
			 * 
			 * @param children
			 * @return Object[]
			 */
			private Object[] getLimitedChildren(Object[] children) {
				int newLength = MarkerSupportInternalUtilities.getMarkerLimit();
				if (newLength > 0 && newLength < children.length) {
					Object[] newChildren = new Object[newLength];
					System.arraycopy(children, 0, newChildren, 0, newLength);
					return newChildren;
				}
				return children;
			}
			/*
			 * (non-Javadoc)
			 * 
			 * @see org.eclipse.jface.viewers.IStructuredContentProvider#getElements(java.lang.Object)