<p><a href="https://github.com/abhinavchanda" class="user-mention">@abhinavchanda</a> your code is well written. It helped me to understand the code base better. <br>
I think you need to serialize the layer at the end. /**</p>

<ul>
<li>Serialize the layer
<em>/
template
void Serialize(Archive&amp; ar, const unsigned int /</em> version */)
{<br>
} </li>
</ul>

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