if (entry.equals(v)) { // unless it's an entry point.
                        // currently processing the entry point - it should not have any entry incident edges
                        res.getEntry().getMd().setWhy("This is a graph entry point. No links.");
                    }
                } else {
                    // fill in domain md with actual version data

  /** Constructor for use by subclasses. */
  protected UnicodeEscaper() {}

  /**
   * Returns the escaped form of the given Unicode code point, or {@code null} if this code point
   * does not need to be escaped. When called as part of an escaping operation, the given code point
   * is guaranteed to be in the range {@code 0 <= cp <= Character#MAX_CODE_POINT}.
   *

  /** Constructor for use by subclasses. */
  protected UnicodeEscaper() {}

  /**
   * Returns the escaped form of the given Unicode code point, or {@code null} if this code point
   * does not need to be escaped. When called as part of an escaping operation, the given code point
   * is guaranteed to be in the range {@code 0 <= cp <= Character#MAX_CODE_POINT}.
   *

        activityHelper.print("aaa", OptionalThing.empty(), Map.of());
        assertEquals("action:AAA\tuser:-", localLogMsg.get());

        activityHelper.print("aaa bbb", createUser("testuser", new String[0]), Map.of("111", "222"));
        assertEquals("action:AAA BBB\tuser:testuser\t111:222", localLogMsg.get());

        // Then
        assertEquals(appendedReferral, initialReferral.next,
                "The 'next' property of the initial referral should point to the appended referral.");
        assertEquals(initialReferral, appendedReferral.next,
                "The 'next' property of the appended referral should point back to the initial referral, closing the loop.");
    }

    /**
     * Tests the toString method of the DfsReferral class.

                    if (r < 0.333) {
                        f.exists();
                        //                      System.out.print('e');
                    } else if (r < 0.667) {
                        d.listFiles();
                        //                      System.out.print('l');
                    } else if (r < 1.0) {
                        final InputStream in = f.getInputStream();

                        .orElse("-"));
        log(valueMap);
    }

    /**
     * Print the log.
     * @param action The action.
     * @param user The user.
     * @param params The parameters.
     */
    public void print(final String action, final OptionalThing<FessUserBean> user, final Map<String, String> params) {

        // Verify nulls suppression is enabled
        assertTrue("Nulls should be suppressed", testProvider.isNullsSuppressed());

        // Verify pretty print is enabled
        assertFalse("Pretty print should not be suppressed", testProvider.isPrettyPrintSuppressed());

        // Verify mapping option configuration
        JsonMappingOption mappingOption = testProvider.provideMappingOption();

     *
     * 1) To invoke FinalizableReference.finalizeReferent()
     *
     * 2) To detect when FinalizableReference's class loader has to be garbage collected, at which
     * point, Finalizer can stop running
     */
    if (!finalizableReferenceClass.getName().equals(FINALIZABLE_REFERENCE)) {
      throw new IllegalArgumentException("Expected " + FINALIZABLE_REFERENCE + ".");
    }

    ) {
    }
  }

  companion object {
    /** Arbitrary code point that's 2 bytes in UTF-8 and valid in IdnaMappingTable.txt. */
    private const val UNICODE_2 = 0x1a5

    /** Arbitrary code point that's 3 bytes in UTF-8 and valid in IdnaMappingTable.txt. */
    private const val UNICODE_3 = 0x2202

    /** Arbitrary code point that's 4 bytes in UTF-8 and valid in IdnaMappingTable.txt. */