public void visitConstant(Object constant) {
        final String constantLabel = getConstantToLabel().computeIfAbsent(constant, this::getConstantLabel);
        constants.add(constant);
        serializeConstant(constants.size(), constantLabel);
    }
Not used anymore

@deprecated normalization happens now at template level
querydsl-core/src/main/java/com/querydsl/core/support/SerializerBase.java