return rootCause;
    }

    @Override
    public String toString() {
        if (rootCause != null) {
            final StringWriter sw = new StringWriter();
            final PrintWriter pw = new PrintWriter(sw);
            rootCause.printStackTrace(pw);
            return super.toString() + "\n" + sw;
        }
        return super.toString();
    }

                "createdBy");
        setupEpg(_epgMap, et -> ((LabelType) et).getCreatedTime(), (et, vl) -> ((LabelType) et).setCreatedTime(DfTypeUtil.toLong(vl)),
                "createdTime");
        setupEpg(_epgMap, et -> ((LabelType) et).getExcludedPaths(), (et, vl) -> ((LabelType) et).setExcludedPaths(DfTypeUtil.toString(vl)),
                "excludedPaths");

   * instance being decorated.
   */
  protected abstract Object delegate();

  /** Returns the string representation generated by the delegate's {@code toString} method. */
  @Override
  public String toString() {
    return delegate().toString();
  }

  /* No equals or hashCode. See class comments for details. */

    }

    @Test
    @DisplayName("toString should return formatted string")
    void testToString() {
        // Act
        String result = response.toString();

        // Assert
        assertNotNull(result);
        assertTrue(result.contains("TransWaitNamedPipeResponse["));
        assertTrue(result.endsWith("]"));
    }

    @Test
    @DisplayName("toString should include parent class information")

        }
    }

    @Nested
    @DisplayName("ToString Tests")
    class ToStringTests {

        @Test
        @DisplayName("Should include class name in toString")
        void testToStringIncludesClassName() {
            String result = response.toString();

            assertNotNull(result);
            assertTrue(result.contains("Trans2GetDfsReferralResponse"));

                paramMap.put(HcHttpClient.PROXY_CREDENTIALS_PROPERTY, new UsernamePasswordCredentials(
                        paramMap.remove(Param.Client.PROXY_USERNAME).toString(), paramMap.remove(Param.Client.PROXY_PASSWORD).toString()));
            }
        } else {
            initializeDefaultHttpProxy(paramMap);
        }

        crawlerClientFactory = factory;
        return factory;
    }

    void testWellKnownSids() {
        assertNotNull(SID.EVERYONE);
        assertEquals("S-1-1-0", SID.EVERYONE.toString());

        assertNotNull(SID.CREATOR_OWNER);
        assertEquals("S-1-3-0", SID.CREATOR_OWNER.toString());

        assertNotNull(SID.SYSTEM);
        assertEquals("S-1-5-18", SID.SYSTEM.toString());
    }

   *
   * <p>This is helpful for implementing {@link Object#toString()}. Specification by example:
   *
   * {@snippet :
   * // Returns "ClassName{}"
   * MoreObjects.toStringHelper(this)
   *     .toString();
   *
   * // Returns "ClassName{x=1}"
   * MoreObjects.toStringHelper(this)
   *     .add("x", 1)
   *     .toString();
   *
   * // Returns "MyObject{x=1}"
   * MoreObjects.toStringHelper("MyObject")

  }

  public void testToString() {
    assertThat(entry("foo", 1).toString()).isEqualTo("foo");
    assertThat(entry("bar", 2).toString()).isEqualTo("bar x 2");
  }

  public void testToStringNull() {
    assertThat(entry(NE, 1).toString()).isEqualTo("null");
    assertThat(entry(NE, 2).toString()).isEqualTo("null x 2");
  }

  public void testEquals() {

    public void testSaveComment1() throws Exception {
        properties.put(KEY1, COMMENT, VALUE1);
        StringWriter sw = new StringWriter();
        properties.save(sw);
        String msg = sw.toString();
        assertTrue(sw.toString().endsWith(RESULT1), msg);
    }

    private static final String RESULT1A = COMMENT + LINE_SEPARATOR + KEY2A + " = " + VALUE1 + LINE_SEPARATOR;

    @Test