load is started.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>placeholder</code> - The placeholder drawable to optionally show, or null.</dd>
<dt><span class="seeLabel">See Also:</span></dt>
<dd><a href="../../../../../com/bumptech/glide/request/target/Target.html#onLoadStarted-android.graphics.drawable.Drawable-"><code>Target.onLoadStarted(Drawable)</code></a></dd>
</dl>
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<h4>onStart</