Bug 72315 Add new code formatter option
org.eclipse.jdt.ui/ui/org/eclipse/jdt/internal/ui/preferences/formatter/WhiteSpaceOptions.java
/**
     * Represents a node in the options tree.
     */
	public abstract static class Node {
	    
	    private final InnerNode fParent;
	    private final String fName;
	    
	    public int index;
	    
	    protected final Map fWorkingValues;
	    protected final ArrayList fChildren;
	    public Node(InnerNode parent, Map workingValues, String messageKey) {
	        if (workingValues == null || messageKey == null)
	            throw new IllegalArgumentException();
	        fParent= parent;
	        fWorkingValues= workingValues;
	        fName= FormatterMessages.getString(messageKey);