public Values getEnumValue() {
        return enumValue;
    }
@return Enum value of event type. Note that the enum may have the value {@link Values#SDK_UNKNOWN} which indicates
this version of the SDK does not know about that particular enum value. If processing an unknown value is required
you can get the raw string value from {@link #getRawValue()}.
aws-java-sdk-kinesisvideo/src/main/java/com/amazonaws/services/kinesisvideo/model/AckEventType.java