void (PsiAnnotation annotation, ProblemsHolder holder) { final PsiModifierListOwner owner = PsiTreeUtil.getParentOfType(annotation, PsiModifierListOwner.class); if (owner instanceof PsiVariable) { final PsiType type = ((PsiVariable)owner).getType(); if (isTypeApplicable(type)) { registerProblem(annotation, holder); } } else if (owner instanceof PsiMethod) { final PsiType type = ((PsiMethod)owner).getReturnType(); if (isTypeApplicable(type)) { registerProblem(annotation, holder); } } }