dataStoreParams.put("boolKey", true);
        assertEquals("true", dataStoreParams.getAsString("boolKey"));
    }

    // Test getAsString with null value
    public void test_getAsStringWithNullValue() {
        dataStoreParams.put("nullKey", null);
        assertNull(dataStoreParams.getAsString("nullKey"));
    }

    // Test getAsString for non-existent key
    public void test_getAsStringNonExistentKey() {

            throwValidationErrorApi(messages -> messages.addErrorsCrudFailedToCreateInstance(GLOBAL));
            return null;
        }).orElseGet(() -> {
            throwValidationErrorApi(messages -> messages.addErrorsCrudFailedToCreateInstance(GLOBAL));
            return null;
        });
        stopwordsService.store(body.dictId, entity);
        return asJson(

    e: IOException,
  ) {
    responses.add(RecordedResponse(call.request(), null, null, null, e))
    (this as Object).notifyAll()
  }

  @Synchronized
  override fun onResponse(
    call: Call,
    response: Response,
  ) {
    val body = response.body.string()
    responses.add(RecordedResponse(call.request(), response, null, body, null))
    (this as Object).notifyAll()
  }

  /**

            assertNull(exception.getMessage());
        });
    }

    @Test
    @DisplayName("Should handle null cause gracefully")
    void testNullCause() {
        // When/Then
        assertDoesNotThrow(() -> {
            RuntimeCIFSException exception = new RuntimeCIFSException((Throwable) null);
            assertNull(exception.getCause());
        });

    List<@Nullable String> list = newArrayList("a", null, "b", null, "a", null);
    assertEquals(2, frequency(list.iterator(), "a"));
    assertEquals(1, frequency(list.iterator(), "b"));
    assertEquals(0, frequency(list.iterator(), "c"));
    assertEquals(0, frequency(list.iterator(), 4.2));
    assertEquals(3, frequency(list.iterator(), null));
  }

  @GwtIncompatible // slow (~4s)

    // Check cache. We use == on purpose because it's cheaper and a cache miss is ok.
    if (entry != null && entry.getKey() == key) {
      return entry.getValue();
    }
    return null;
  }

  void clearCache() {
    cacheEntry = null;
  }

./mc mb -l myminio/versioned

./mc mirror internal myminio/versioned/ --quiet >/dev/null

## Soft delete (creates delete markers)
./mc rm -r --force myminio/versioned >/dev/null

## mirror again to create another set of version on top
./mc mirror internal myminio/versioned/ --quiet >/dev/null

expected_checksum=$(./mc cat internal/dsync/drwmutex.go | md5sum)

     *     is null. The builder is left in an invalid state.
     */
    @CanIgnoreReturnValue
    public Builder<K, V> putAll(K key, Iterable<? extends V> values) {
      if (key == null) {
        throw new NullPointerException("null key in entry: null=" + Iterables.toString(values));
      }
      Iterator<? extends V> valuesItr = values.iterator();

            systemHelperField.setAccessible(true);
            systemHelperField.set(null, null);

            java.lang.reflect.Field indexingHelperField = ComponentUtil.class.getDeclaredField("indexingHelper");
            indexingHelperField.setAccessible(true);
            indexingHelperField.set(null, null);

     */
    public static void registerDriver(final Class<Driver> driverClass) {
        assertArgumentNotNull("driverClass", driverClass);
        registerDriver(ClassUtil.newInstance(driverClass));
    }

    /**
     * Registers a JDBC driver.
     *
     * @param driver
     *            The JDBC driver to register. Must not be {@literal null}.
     */