CtField oldField = field.oldFieldOptional.get()
            CtField newField = field.newFieldOptional.get()

            def oldNullability = nullabilityOf(oldField)
            def newNullability = nullabilityOf(newField)

            if (Modifier.isFinal(oldField.modifiers) && Modifier.isFinal(newField.modifiers)) {
                if (!oldNullability && newNullability) {

        // Test that new key takes precedence over legacy key
        systemPropMap.put("entraid.permission.fields", "newField");
        systemPropMap.put("aad.permission.fields", "legacyField");
        String[] fields = fessConfig.getEntraIdPermissionFields();
        assertEquals(1, fields.length);
        assertEquals("newField", fields[0]);
    }

    @Test
    public void test_isEntraIdUseDomainServices_withNewKey() {

pkg go/types, func NewChan(ChanDir, Type) *Chan
pkg go/types, func NewChecker(*Config, *token.FileSet, *Package, *Info) *Checker
pkg go/types, func NewConst(token.Pos, *Package, string, Type, constant.Value) *Const
pkg go/types, func NewField(token.Pos, *Package, string, Type, bool) *Var
pkg go/types, func NewFunc(token.Pos, *Package, string, *Signature) *Func
pkg go/types, func NewInterface([]*Func, []*Named) *Interface