assertSame(trans1, result);

        // Verify fail count incremented for addr2 (was 1, now 2)
        assertEquals(2, poolSpy.failCounts.get("10.0.0.2"));
        // addr1's count should remain unchanged since it succeeded
        assertEquals(5, poolSpy.failCounts.get("10.0.0.1"));
    }

    @Test
    @DisplayName("Should throw UnknownHostException for empty address list")

        assertTrue(builder instanceof MatchPhrasePrefixQueryBuilder);

        MatchPhrasePrefixQueryBuilder mpqb = (MatchPhrasePrefixQueryBuilder) builder;
        assertEquals("TEST", mpqb.value()); // Should remain uppercase
    }

    public void test_convertPrefixQuery_withEmptyPrefix() throws Exception {
        QueryContext context = new QueryContext("test", false);

        assertNotSame(original, copy, "clone should return a different instance");
        assertTrue(original.equals(copy), "Cloned instance should be equal by content");

        // Mutate original backing array; clone should remain based on previous snapshot
        data[0] = 99;
        assertFalse(original.equals(copy), "After mutation, original should not equal previous clone");

        // The document in the result should still have the modified value
        // (shallow copy behavior)
        assertEquals("modified", result.getDocumentList().get(0).get("id"));

        // Document list size should remain the same
        assertEquals(1, result.getDocumentList().size());
    }

    public void test_multipleBuilds() {
        // Test that each builder creates independent results

revisions, annotations, elaborations, or other modifications represent, as a 
whole, an original work of authorship. For the purposes of this License, 
Derivative Works shall not include works that remain separable from, or 
merely link (or bind by name) to the interfaces of, the Work and Derivative 
Works thereof. 

"Contribution" shall mean any work of authorship, including the original 

      editorial revisions, annotations, elaborations, or other modifications
      represent, as a whole, an original work of authorship. For the purposes
      of this License, Derivative Works shall not include works that remain
      separable from, or merely link (or bind by name) to the interfaces of,
      the Work and Derivative Works thereof.

      "Contribution" shall mean any work of authorship, including

      editorial revisions, annotations, elaborations, or other modifications
      represent, as a whole, an original work of authorship. For the purposes
      of this License, Derivative Works shall not include works that remain
      separable from, or merely link (or bind by name) to the interfaces of,
      the Work and Derivative Works thereof.

      "Contribution" shall mean any work of authorship, including

      editorial revisions, annotations, elaborations, or other modifications
      represent, as a whole, an original work of authorship. For the purposes
      of this License, Derivative Works shall not include works that remain
      separable from, or merely link (or bind by name) to the interfaces of,
      the Work and Derivative Works thereof.

      "Contribution" shall mean any work of authorship, including

      editorial revisions, annotations, elaborations, or other modifications
      represent, as a whole, an original work of authorship. For the purposes
      of this License, Derivative Works shall not include works that remain
      separable from, or merely link (or bind by name) to the interfaces of,
      the Work and Derivative Works thereof.

      "Contribution" shall mean any work of authorship, including

        int firstSize = facetQueryView.getQueryMap().size();
        int firstQueriesCount = testFacetInfo.getAddedQueries().size();

        // Call init again
        facetQueryView.init();

        // Size should remain the same
        assertEquals(firstSize, facetQueryView.getQueryMap().size());
        // But queries would be added again to FacetInfo (distinct handles duplicates)