public void setHorizontalAlign(String horizontalAlign) {
        this.horizontalAlign = horizontalAlign;
    }
<p>
The horizontal position of the watermark unless you specify a non-zero value for <code>HorizontalOffset</code>:
</p>
<ul>
<li>
<p>
<b>Left</b>: The left edge of the watermark is aligned with the left border of the video.
</p>
</li>
<li>
<p>
<b>Right</b>: The right edge of the watermark is aligned with the right border of the video.
</p>
</li>
<li>
<p>
<b>Center</b>: The watermark is centered between the left and right borders.
</p>
</li>
</ul>

@param horizontalAlign
       The horizontal position of the watermark unless you specify a non-zero value for
       <code>HorizontalOffset</code>: </p>
       <ul>
       <li>
       <p>
       <b>Left</b>: The left edge of the watermark is aligned with the left border of the video.
       </p>
       </li>
       <li>
       <p>
       <b>Right</b>: The right edge of the watermark is aligned with the right border of the video.
       </p>
       </li>
       <li>
       <p>
       <b>Center</b>: The watermark is centered between the left and right borders.
       </p>
       </li>
aws-java-sdk-elastictranscoder/src/main/java/com/amazonaws/services/elastictranscoder/model/PresetWatermark.java