           <p>A set of defaults, constants and utility functions.</p>
              <dl class="dl-compact">
              </dl>
            </section>
          </section>
          <section>
            <h2>Properties</h2>
            <section>
              <h3 id=".ATTENUATION_ROLLOFFS" class="symbol-name">ATTENUATION_ROLLOFFS</h3>
              <div class="symbol-detail-labels"><span class="label label-static"><small>static</small></span></div>
              <p class="type-signature">Array</p>
         