boolean (PsiClass aClass) { if (aClass == null) { return false; } final String qualifiedName = aClass.getQualifiedName(); return CommonClassNames.JAVA_UTIL_OPTIONAL.equals(qualifiedName) || OptionalUtil.OPTIONAL_DOUBLE.equals(qualifiedName) || OptionalUtil.OPTIONAL_INT.equals(qualifiedName) || OptionalUtil.OPTIONAL_LONG.equals(qualifiedName) || OptionalUtil.GUAVA_OPTIONAL.equals(qualifiedName); }