private void setTypedefCategoryPaths(List<String> moduleNames) {
		baseModuleTypedefsCategory = new CategoryPath(pdbRootCategory, "!_module_typedefs_");
		// non-module typedefs go with all other global types, not in
		//  baseModuleTypedefsCategory.
		typedefCategories.add(pdbRootCategory);
		for (String name : moduleNames) {
			CategoryPath categoryPath = (name == null) ? baseModuleTypedefsCategory
					: new CategoryPath(baseModuleTypedefsCategory, name);
			typedefCategories.add(categoryPath);
		}
	}
Get uncategorized CategoryPath for the PDB.
@return the uncategorized CategoryPath.
Ghidra/Features/PDB/src/main/java/ghidra/app/util/pdb/PdbCategories.java