if (isNullable(param)) {
        args.add(null);
        continue;
      }
      Object defaultValue = getDummyValue(param.getType());
      if (defaultValue == null) {
        throw new ParameterNotInstantiableException(param);
      }
      args.add(defaultValue);
    }
    return args;
  }

  private <T> @Nullable T getDummyValue(TypeToken<T> type) {

   * determined.
   */
  public static <T> @Nullable T get(Class<T> type) {
    T defaultValue = DEFAULTS.getInstance(type);
    if (defaultValue != null) {
      return defaultValue;
    }
    Class<? extends T> implementation = getImplementation(type);
    if (implementation != null) {
      return get(implementation);
    }

         * @param key The property key to look up
         * @param defaultValue The default value to return if the property is not set
         * @return The property value or the default value
         */
        protected String getProperty(final String key, final String defaultValue) {
            return ComponentUtil.getSystemProperties().getProperty(key, defaultValue);
        }

        /**

	Length() (length int64, ok bool)
	DecimalSize() (precision int64, scale int64, ok bool)
	Nullable() (nullable bool, ok bool)
	Unique() (unique bool, ok bool)
	ScanType() reflect.Type
	Comment() (value string, ok bool)
	DefaultValue() (value string, ok bool)
}

type Index interface {
	Table() string
	Name() string
	Columns() []string
	PrimaryKey() (isPrimaryKey bool, ok bool)
	Unique() (unique bool, ok bool)
	Option() string
}

            }
        }

        // Helper method from AbstractUpgradeStrategy
        private boolean isOptionEnabled(UpgradeOptions options, Optional<Boolean> option, boolean defaultValue) {
            // Handle --all option (overrides individual options)
            if (options.all().orElse(false)) {
                return true;
            }

        this.listener = listener;
    }

    /**
     * Calls the default "set" method on the bean; re-converts the configuration if necessary.
     */
    public void setDefault(Object bean, Object defaultValue, PlexusConfiguration configuration)
            throws ComponentConfigurationException {

        Class<?> beanType = bean.getClass();

        // Find the default "set" method

     * PluginParameterExpressionEvaluator</a>.
     * @return the default value
     */
    @Nonnull
    String defaultValue() default "";

    /**
     * is the parameter required?
     * @return <code>true</code> if the Mojo should fail when the parameter cannot be injected
     */
    boolean required() default false;

    /**

    /**
     * Retrieves a localized message for the given key.
     *
     * @param key the message key
     * @param defaultValue the default value to return if message not found
     * @return localized message or default value
     */
    public static String getMessage(final String key, final String defaultValue) {
        final Locale locale = LaRequestUtil.getOptionalRequest().map(HttpServletRequest::getLocale).orElse(Locale.ROOT);

    throw new UnsupportedOperationException();
  }

  private <T> T pickInstance(T[] instances, T defaultValue) {
    return pickInstance(Arrays.asList(instances), defaultValue);
  }

  private <T> T pickInstance(Collection<T> instances, T defaultValue) {
    if (instances.isEmpty()) {
      return defaultValue;
    }
    // generateInt() is 1-based.

     * @param key the key to look up
     * @param defaultValue the default value to return if key is not found or value is blank
     * @return the value from the map or the default value
     */
    private String getValueFromMap(final Map<String, String> dataMap, final String key, final String defaultValue) {
        final String value = dataMap.get(key);
        if (StringUtil.isBlank(value)) {