Bug 161738 [Undo] - API - promote ability to quietly compute status to operations API
bundles/org.eclipse.ui.ide/src/org/eclipse/ui/internal/ide/undo/WorkspaceUndoMonitor.java
*/
	private void flushWorkspaceHistory(IUndoableOperation op) {
		if (Policy.DEBUG_UNDOMONITOR) {
			System.out.println(DEBUG_PREFIX + "Flushing undo history due to "+op); 
		}
		getOperationHistory().dispose(
				WorkspaceUndoUtil.getWorkspaceUndoContext(), true, true, false);
	}
	
	/**
	 * Reset the workspace change count
	 */
	private void resetChangeCount() {
		numChanges = 0;
		if (Policy.DEBUG_UNDOMONITOR) {
			System.out.println(DEBUG_PREFIX + "Resetting change count to 0"); 
		}
	}
	
	/**
	 * Increment the workspace change count
	 */
	private void incrementChangeCount() {
		numChanges++;
		if (Policy.DEBUG_UNDOMONITOR) {
			System.out.println(DEBUG_PREFIX + "Incrementing workspace change count.  Count = "+numChanges); 
		}
	}
}