public void test_multipleNameChanges() {
        String[] names = { "first", "second", "third", "fourth", "fifth" };

        for (String name : names) {
            testTransformer.setName(name);
            assertEquals(name, testTransformer.getName());
        }

        // Verify final state
        assertEquals("fifth", testTransformer.getName());
    }

    /**
     * Test transform method implementation

        assertTrue(aggregateLogJob.execute().contains("Invalid state"));

        // Fourth execution - NullPointerException
        assertTrue(aggregateLogJob.execute().contains("Null pointer"));

        // Fifth execution - RuntimeException
        assertTrue(aggregateLogJob.execute().contains("Generic error"));
    }

        // Third: sb.length() > 0, add "-" + "value" (sb becomes "null-value")
        // Fourth: sb.length() > 0, add "-" + "" (sb becomes "null-value-")
        // Fifth: sb.length() > 0, add "-" + null (sb becomes "null-value--null")
        assertEquals("null-value--null", result);
    }

    @Test
    @DisplayName("Should return empty string for zero elements")

   * @param <V2> the type returned by the second future
   * @param <V3> the type returned by the third future
   * @param <V4> the type returned by the fourth future
   * @param <V5> the type returned by the fifth future
   */
  public static final class Combiner5<
          V1 extends @Nullable Object,
          V2 extends @Nullable Object,
          V3 extends @Nullable Object,
          V4 extends @Nullable Object,

   * @param <V2> the type returned by the second future
   * @param <V3> the type returned by the third future
   * @param <V4> the type returned by the fourth future
   * @param <V5> the type returned by the fifth future
   */
  public static final class Combiner5<
          V1 extends @Nullable Object,
          V2 extends @Nullable Object,
          V3 extends @Nullable Object,
          V4 extends @Nullable Object,

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