ExecutableMemberDoc memberDoc = null;
ClassDoc classDoc = null;
PackageDoc packageDoc = null;
if (doc instanceof ExecutableMemberDoc){
memberDoc = (ExecutableMemberDoc) doc;
classDoc = memberDoc.containingClass();
packageDoc = classDoc.containingPackage();
}
if (doc instanceof ClassDoc){
classDoc = (ClassDoc) doc;
packageDoc = classDoc.containingPackage();