assertFalse(result.isPresent());
        } catch (Exception e) {
            // Expected in test environment
            assertTrue(true);
        }
    }

    @Test
    public void test_toLowerHyphen() {
        Map<String, Object> source = new HashMap<>();
        source.put("TestKey", "value1");
        source.put("AnotherTestKey", "value2");

        Map<String, Object> nested = new HashMap<>();