@Override
    int precedence() {
        return Precedence.Parentheses.value();
    }
Returns a parenthesized condition for the given condition if the given
condition is not already a parenthesized condition; or the original
condition otherwise.
aws-java-sdk-dynamodb/src/main/java/com/amazonaws/services/dynamodbv2/xspec/ParenthesizedCondition.java