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/MarkerContentGenerator.java
returnMarkers = computeAllMarkers(subMonitor);
		MarkerEntry[] entries = new MarkerEntry[returnMarkers.size()];
		Iterator markers = returnMarkers.iterator();
		int index = 0;
		
		while (markers.hasNext()) {
			entries[index] = new MarkerEntry((IMarker) markers.next());
			index++;
		}
		return new MarkerMap(entries);
	}
	/**
	 * Get the all of the fields that this content generator is using.
	 * 
	 * @return {@link MarkerField}[]
	 */
	MarkerField[] getAllFields() {
		return allFields;
	}
	/**
	 * Get the category name from the receiver.
	 */
	String getCategoryName() {
		return configurationElement
				.getAttribute(ATTRIBUTE_DEFAULT_MARKER_GROUPING);
	}
	/**
	 * Return the configuration elements for the receiver.
	 * 
	 * @return IConfigurationElement[]