@SuppressWarnings("deprecation") // We still need to test our deprecated APIs.
  public void testToString() {
    assertThat(md5().toString()).isEqualTo("Hashing.md5()");
    assertThat(sha1().toString()).isEqualTo("Hashing.sha1()");
    assertThat(sha256().toString()).isEqualTo("Hashing.sha256()");
    assertThat(sha512().toString()).isEqualTo("Hashing.sha512()");
  }

  private static void assertMessageDigestHashing(byte[] input, String algorithmName)

                            distribution.getBundledJdk(),
                            version.toString()
                        );

                    }
                    String upgradeTaskname = destructiveDistroUpgradeTestTaskName(distribution, version.toString());
                    TaskProvider<?> upgradeDepsTask = project.getTasks().register(upgradeTaskname + "#deps");

        } finally {
            // Restore original time zone
            TimeZone.setDefault(originalTimeZone);
        }
    }

    // Test toString() method
    @Test
    public void test_toString() {
        // Execute
        String result = provider.toString();

        // Verify the string format
        assertNotNull(result);
        assertTrue(result.contains("FessUserTimeZoneProcessProvider"));

                .append("\"}}");
            packages.add(packageString.toString());
            nodeString.append("{\"nodeId\": \"")
                .append(versionedId)
                .append("\",\"pkgId\": \"")
                .append(versionedId)
                .append("\",\"deps\": []}");
            nodes.add(nodeString.toString());
            nodeIds.add("{\"nodeId\": \"" + versionedId + "\"}");
        }

                artifact.toString());
    }

    @Test
    void testToStringNullGroupId() {
        artifact.setGroupId(null);
        assertEquals(artifactId + ":" + type + ":" + classifier + ":" + version + ":" + scope, artifact.toString());
    }

    @Test
    void testToStringNullClassifier() {

    }

    private void assertQuery(QueryBuilder query1, Map<String, List<String>> fieldLogMap, Set<String> highlightedQuerySet,
            QueryContext context) {
        assertEquals(query1.toString(), context.getQueryBuilder().toString());
        assertFieldLogs(fieldLogMap);
        assertHighlightedQueries(highlightedQuerySet);
    }

    private void assertQueryContext(String query, QueryContext context) {

            result.setCreatedBy(DfTypeUtil.toString(source.get("createdBy")));
            result.setCreatedTime(DfTypeUtil.toLong(source.get("createdTime")));
            result.setProcessType(DfTypeUtil.toString(source.get("processType")));
            result.setRegex(DfTypeUtil.toString(source.get("regex")));
            result.setReplacement(DfTypeUtil.toString(source.get("replacement")));

            return false;
        }
        return true;
    }

    @Override
    public String toString() {
        return "SynonymItem [id=" + id + ", inputs=" + Arrays.toString(inputs) + ", outputs=" + Arrays.toString(outputs) + ", newInputs="
                + Arrays.toString(newInputs) + ", newOutputs=" + Arrays.toString(newOutputs) + "]";
    }

    /**
     * Converts the item to a string representation for writing to a file.

              @Override
              public boolean equals(@Nullable Object o) {
                return map.equals(o);
              }

              @Override
              public String toString() {
                return map.toString();
              }

              @Override
              public @Nullable String remove(Object key) {
                return map.remove(key);
              }

   * 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. */