protected Object getActualTypeValue(final String value, final String valueType) {
    Object actualValue = value;
    if (valueType != null) {
      try {
        actualValue = GeodeConverter.convertToActualType(value, valueType);
      } catch (IllegalArgumentException ie) {
        throw new GemfireRestException(ie.getMessage(), ie);
      }
    }
    return actualValue;
  }
AbstractBaseController class contains common functionalities required for other controllers.

@since GemFire 8.0
geode-web-api/src/main/java/org/apache/geode/rest/internal/web/controllers/AbstractBaseController.java