* @return 指定されたキーの文字列。{@literal null}や空文字列であってはいけません
     * @see ResourceBundle#getString(String)
     */
    public static String getString(final ResourceBundle bundle, final String key) {
        assertArgumentNotNull("bundle", bundle);
        assertArgumentNotEmpty("key", key);

        try {
            return bundle.getString(key);
        } catch (final Throwable t) {
            return null;
        }
    }

`IstioOperatorSpec` defines functional settings at the feature level. Functional settings are those that performs some
function in the Istio control plane without necessarily being tied to any one component that runs in a Deployment.
Component settings are those that necessarily refer to a particular Deployment or Service. For example, the number
of Pilot replicas is a component setting, because it refers to a component which is a Deployment in the

## How to use?

Ensure that versioning is enabled on the source and target buckets with `mc version` command. If object locking is required, the buckets should have been created with `mc mb --with-lock`

scopes        (csv)       Comma separated list of OpenID scopes for server, defaults to advertised scopes from discovery document e.g. "email,admin"
comment       (sentence)  optionally add a comment to this setting
```

and ENV based options

```
mc admin config set myminio/ identity_openid --env

KEY:
identity_openid  enable OpenID SSO support

ARGS:

        @SuppressWarnings("unchecked") // reading data stored by writeMultimap
        V value = (V) stream.readObject();
        values.add(value);
      }
    }
  }

  // Secret sauce for setting final fields; don't make it public.
  static <T> FieldSetter<T> getFieldSetter(Class<T> clazz, String fieldName) {
    try {
      Field field = clazz.getDeclaredField(fieldName);
      return new FieldSetter<>(field);

    val settings1 = Settings()
    settings1[Settings.HEADER_TABLE_SIZE] = 10000
    settings1[Settings.INITIAL_WINDOW_SIZE] = 20000
    settings1[Settings.MAX_FRAME_SIZE] = 30000
    peer.sendFrame().settings(settings1)
    peer.acceptFrame() // ACK SETTINGS
    val settings2 = Settings()
    settings2[Settings.INITIAL_WINDOW_SIZE] = 40000
    settings2[Settings.MAX_FRAME_SIZE] = 50000

    private static final String NAME_PREFIX = "schedulerTest_";
    private static final String API_PATH = "/api/admin/scheduler";
    private static final String LIST_ENDPOINT_SUFFIX = "settings";
    private static final String ITEM_ENDPOINT_SUFFIX = "setting";

    private static final String KEY_PROPERTY = "name";

    @Override
    protected String getNamePrefix() {
        return NAME_PREFIX;
    }

    @Override

    private static final String NAME_PREFIX = "userTest_";
    private static final String API_PATH = "/api/admin/user";
    private static final String LIST_ENDPOINT_SUFFIX = "settings";
    private static final String ITEM_ENDPOINT_SUFFIX = "setting";

    private static final String KEY_PROPERTY = "name";

    @Override
    protected String getNamePrefix() {
        return NAME_PREFIX;
    }

    @Override

# ==============================================================================
#
# Windows-specific utilities.
#

# Docker on Windows has difficulty using volumes other than C:\, when it comes
# to setting up up volume mappings.
# Thus, the drive letter is replaced with C:\, in case it's
# something else (ex. T:), which is frequently the case inside Kokoro jobs.
function replace_drive_letter_with_c () {

        if (commandLine.hasOption(option)) {
            setting.accept(false);
        }
    }

    private void disableOnPresentOption(
            final CommandLine commandLine, final char option, final Consumer<Boolean> setting) {
        disableOnPresentOption(commandLine, String.valueOf(option), setting);
    }