public Integer getToPort() {
        return this.toPort;
    }
<p>
An ending value for a range of allowed port numbers. Port numbers are end-inclusive. This value must be equal to
or greater than <code>FromPort</code>.
</p>
<p>
For fleets using Linux builds, only ports <code>22</code> and <code>1026-60000</code> are valid.
</p>
<p>
For fleets using Windows builds, only ports <code>1026-60000</code> are valid.
</p>

@return An ending value for a range of allowed port numbers. Port numbers are end-inclusive. This value must be
        equal to or greater than <code>FromPort</code>.</p>
        <p>
        For fleets using Linux builds, only ports <code>22</code> and <code>1026-60000</code> are valid.
        </p>
        <p>
        For fleets using Windows builds, only ports <code>1026-60000</code> are valid.
aws-java-sdk-gamelift/src/main/java/com/amazonaws/services/gamelift/model/IpPermission.java