<p>In <a href="https://github.com/mlpack/mlpack/pull/708#discussion_r72151205">src/mlpack/core/tree/vantage_point_tree/traits.hpp</a>:</p>
<pre style='color:#555'>> + static const bool FirstSiblingFirstPointIsCentroid = true;
> +
> + /**
> + * Points are not contained at multiple levels of the vantage point tree.
> + */
> + static const bool HasSelfChildren = false;
> +
> + /**
> + * Points are rearranged during building of the tree.
> + */
> + static const bool RearrangesDataset = true;
> +
> + /**
> + * This is always a binary tree.
> + */
> + static const bool BinaryTree = true;
</pre>
<p>I think this is no longer true.</p>
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