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<code>&nbsp;&nbsp;</code></td>
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<code><span id="TYPEELTstatistics.bucket_histogram">bucket_histogram</span>&nbsp;: <code class="type">int array</code>;</code></td>
<td class="typefieldcomment" align="left" valign="top"><code>(*</code></td><td class="typefieldcomment" align="left" valign="top"><div class="info ">
Histogram of bucket sizes.  This array <code class="code">histo</code> has
        length <code class="code">max_bucket_l