System.getProperties()
                .keySet()
                .stream()
                .filter(k -> k != null && k.toString().startsWith(Constants.FESS_CONFIG_PREFIX))
                .forEach(k -> addSystemProperty(cmdList, k.toString(), null, null));
    }

    /**
     * Adds all Fess system properties to the command list.

    assertTrue(range.hasUpperBound());
    assertEquals(8, (int) range.upperEndpoint());
    assertEquals(OPEN, range.upperBoundType());
    assertFalse(range.isEmpty());
    assertEquals("(4..8)", range.toString());
    reserializeAndAssert(range);
  }

  public void testOpen_invalid() {
    assertThrows(IllegalArgumentException.class, () -> Range.open(4, 3));

  }

  /**
   * Returns a human-readable string representation of {@code type}.
   *
   * <p>The format is subject to change.
   */
  static String toString(Type type) {
    return (type instanceof Class) ? ((Class<?>) type).getName() : type.toString();
  }

  static @Nullable Type getComponentType(Type type) {
    checkNotNull(type);
    AtomicReference<@Nullable Type> result = new AtomicReference<>();

    for (int i = 0; i < numInsertions * 2; i += 2) {
      bf.put(Integer.toString(i));
    }
    assertApproximateElementCountGuess(bf, numInsertions);

    // Assert that the BF "might" have all of the even numbers.
    for (int i = 0; i < numInsertions * 2; i += 2) {
      assertTrue(bf.mightContain(Integer.toString(i)));
    }

                "createdBy");
        setupEpg(_epgMap, et -> ((PathMapping) et).getCreatedTime(), (et, vl) -> ((PathMapping) et).setCreatedTime(DfTypeUtil.toLong(vl)),
                "createdTime");
        setupEpg(_epgMap, et -> ((PathMapping) et).getProcessType(), (et, vl) -> ((PathMapping) et).setProcessType(DfTypeUtil.toString(vl)),
                "processType");

  }

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

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

  public void testEquals() {
    assertEquals(control("foo", 1), entry("foo", 1));

        setupEpg(_epgMap, et -> ((KeyMatch) et).getTerm(), (et, vl) -> ((KeyMatch) et).setTerm(DfTypeUtil.toString(vl)), "term");
        setupEpg(_epgMap, et -> ((KeyMatch) et).getUpdatedBy(), (et, vl) -> ((KeyMatch) et).setUpdatedBy(DfTypeUtil.toString(vl)),
                "updatedBy");

            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.

   *
   * <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")

    }

    /**
     * Test for the toString method.
     * It should return a string containing the class name.
     */
    @Test
    void testToString() {
        String toString = response.toString();
        assertTrue(toString.contains("SmbComBlankResponse"), "toString should contain the class name");
    }