data.putValues("empty", emptyArray);

        String[] retrieved = data.getValues("empty");
        assertNotNull(retrieved);
        assertEquals(0, retrieved.length);
    }

    public void test_nullValues() {
        // Test with null values
        ExtractData data = new ExtractData();

        data.putValue("key", null);

        String[] retrieved = data.getValues("key");
        assertNotNull(retrieved);

        assertEquals("plugin", RequestTrace.CONTEXT_PLUGIN);
        assertEquals("project", RequestTrace.CONTEXT_PROJECT);
        assertEquals("bootstrap", RequestTrace.CONTEXT_BOOTSTRAP);
    }

    @Test
    void testNullValues() {
        RequestTrace trace = new RequestTrace(null, null, null);
        assertNull(trace.context());
        assertNull(trace.parent());
        assertNull(trace.data());
    }

    @Test