kets + 2</code> (= <code>N</code>) buckets. The two additional
buckets are the underflow and overflow buckets.</p><p>Bucket <code>i</code> has the following boundaries:</p><ul><li>Upper bound (<code>0 &lt;= i &lt; N-1</code>): <code>offset + (width * i)</code></li><li>Lower bound (<code>1 &lt;= i &lt; N</code>): <code>offset + (width * (i - 1))</code></li></ul><table class=message-fields><thead><tr><th>Field</th><th>Type</th><th>Description</th><th>Required</th></tr></thead><tbody><tr id=Params-MetricInfo-B