protected void loadChildrenIfNeeded(TaskMonitor monitor) throws CancelledException {
		if (!isLeaf() && !isLoaded()) {
			doSetChildren(generateChildren(monitor));
		}
	}
Returns the extension of this node's name, or "" if none

@return extension of this node's name, or "" if none
Ghidra/Features/Base/src/main/java/ghidra/plugins/fsbrowser/FSBNode.java