public void setHostname(GatewayRouteHostnameRewrite hostname) {
        this.hostname = hostname;
    }
<p>
The host name to rewrite.
</p>

@param hostname
       The host name to rewrite.
aws-java-sdk-appmesh/src/main/java/com/amazonaws/services/appmesh/model/HttpGatewayRouteRewrite.java