private boolean isSimpleNamespaceSymbol(Namespace namespace) {
		Symbol s = namespace.getSymbol();
		if (s.getSymbolType() != SymbolType.NAMESPACE) {
			return false;
		}
		Namespace n = namespace;
		while (n != null) {
			if (n instanceof Function) {
				return false;
			}
			n = n.getParentNamespace();
		}
		return true;
	}
Apply PDB debug information to the current program

@param log  MessageLog used to record errors
@throws IOException  if an error occurs during parsing
@throws PdbException  if PDB file has already been loaded
@throws CancelledException  if user cancels the current action
Ghidra/Features/PDB/src/main/java/ghidra/app/util/bin/format/pdb/PdbParser.java