s="type-parameter"><a href="dart-typed_data/Float64x2-class.html">Float64x2</a></span>&gt;</span></span> <span class="parameter-name">replacement</span></span>)
            <span class="returntype parameter">&#8594; void</span>
          </span>
                  </dt>
        <dd class="inherited">
          Removes the objects in the range <code>start</code> inclusive to <code>end</code> exclusive
and inserts the contents of <code>replacement</code> in its place. <a href="dart-core/List/replaceRange.html"