n class="identifier">size_type</span></code> <code class="computeroutput"><span class="identifier">remove</span></code><code class="computeroutput"><span class="special">(</span></code><code class="computeroutput"><span class="identifier">rtree</span><span class="special">&lt;</span> <span class="identifier">Value</span><span class="special">,</span> <span class="identifier">Parameters</span><span class="special">,</span> <span class="identifier">IndexableGetter</span><span class="special">,</span> <span cl