public String getAuthToken() {
        return this.authToken;
    }
<p>
Reserved parameter. The password used to access a password protected server. This parameter must be specified
with the <code>auth-token-update</code> parameter. Password constraints:
</p>
<ul>
<li>
<p>
Must be only printable ASCII characters
</p>
</li>
<li>
<p>
Must be at least 16 characters and no more than 128 characters in length
</p>
</li>
<li>
<p>
Cannot contain any of the following characters: '/', '"', or '@', '%'
</p>
</li>
</ul>
<p>
For more information, see AUTH password at <a href="http://redis.io/commands/AUTH">AUTH</a>.
</p>

@return Reserved parameter. The password used to access a password protected server. This parameter must be
        specified with the <code>auth-token-update</code> parameter. Password constraints:</p>
        <ul>
        <li>
        <p>
        Must be only printable ASCII characters
        </p>
        </li>
        <li>
        <p>
        Must be at least 16 characters and no more than 128 characters in length
        </p>
        </li>
        <li>
        <p>
        Cannot contain any of the following characters: '/', '"', or '@', '%'
        </p>
        </li>
        </ul>
        <p>
        For more information, see AUTH password at <a href="http://redis.io/commands/AUTH">AUTH</a>.
aws-java-sdk-elasticache/src/main/java/com/amazonaws/services/elasticache/model/ModifyCacheClusterRequest.java