documentation, if provided along with the Derivative Works; or,
          within a display generated by the Derivative Works, if and
          wherever such third-party notices normally appear. The contents
          of the NOTICE file are for informational purposes only and
          do not modify the License. You may add Your own attribution

          documentation, if provided along with the Derivative Works; or,
          within a display generated by the Derivative Works, if and
          wherever such third-party notices normally appear. The contents
          of the NOTICE file are for informational purposes only and
          do not modify the License. You may add Your own attribution

          documentation, if provided along with the Derivative Works; or,
          within a display generated by the Derivative Works, if and
          wherever such third-party notices normally appear. The contents
          of the NOTICE file are for informational purposes only and
          do not modify the License. You may add Your own attribution

          documentation, if provided along with the Derivative Works; or,
          within a display generated by the Derivative Works, if and
          wherever such third-party notices normally appear. The contents
          of the NOTICE file are for informational purposes only and
          do not modify the License. You may add Your own attribution

            bb.putShort((short) 3); // rflags
            bb.put("\\srv2\0".getBytes(StandardCharsets.UTF_16LE));

            // Position for third referral
            bb.position(40); // 8 header + 16 + 16

            // Third Referral v1
            bb.putShort((short) 1); // version
            bb.putShort((short) 16); // size
            bb.putShort((short) 2); // serverType

        assertFalse(negotiationRequest.isSigningEnforced(), "Second call should return false");
        assertTrue(negotiationRequest.isSigningEnforced(), "Third call should return true");

        verify(negotiationRequest, times(3)).isSigningEnforced();
    }

    @Test
    @DisplayName("Test custom implementation with signing not enforced")

    b) You must cause the files modified to carry prominent notices
    stating that you changed the files and the date of any change.

    c) You must cause the whole of the work to be licensed at no
    charge to all third parties under the terms of this License.

    d) If a facility in the modified Library refers to a function or a
    table of data to be supplied by an application program that uses

          documentation, if provided along with the Derivative Works; or,
          within a display generated by the Derivative Works, if and
          wherever such third-party notices normally appear. The contents
          of the NOTICE file are for informational purposes only and
          do not modify the License. You may add Your own attribution

  private abstract static class First<T> {}

  private abstract static class Second<D> extends First<D> {}

  private abstract static class Third<T, D> extends Second<T> {}

  private abstract static class Fourth<T, D> extends Third<D, T> {}

  private static class ConcreteIntegerString extends Fourth<Integer, String> {}

  private static class ConcreteStringInteger extends Fourth<String, Integer> {}

        // First invocation
        curtainFinallyHook.hook(assistantDirector);

        // Second invocation - should also work without issues
        curtainFinallyHook.hook(assistantDirector);

        // Third invocation
        curtainFinallyHook.hook(assistantDirector);

        // All invocations should complete successfully
        assertTrue(true);
    }

    // Test with null assistant director (edge case)