ICompilationUnit unit = (ICompilationUnit) create;
try {
IPackageDeclaration[] packageDeclarations = unit.getPackageDeclarations();
if (packageDeclarations.length != 1) continue;
IPackageDeclaration pack = packageDeclarations[0];
String packageName = pack.getElementName();
List<String> classes = forPackage.get(packageName);
if (classes == null) {
classes = new ArrayList<String>();
forPackage.put(packageName, classes);