boolean () { for (PsiType type : myStringEntries.values()) { if (type != null && !type.isValid()) { return false; } } for (Couple<PsiType> entry : myOtherEntries) { if (entry.first != null && !entry.first.isValid()) { return false; } if (entry.second != null && !entry.second.isValid()) { return false; } } return true; }