public Comparator<GTreeNode> getChildrenComparator() {
		return DEFAULT_NODE_COMPARATOR;
	}
Returns the comparator used to sort the children of this node.  This node will still 
be sorted according to its own <code>compareTo</code> method, unless its parent has
overridden this method.

@return the comparator used to sort this node's children
Ghidra/Features/Base/src/main/java/ghidra/app/plugin/core/symboltree/nodes/SymbolTreeNode.java