public void setGatewayArn(String gatewayArn) {
        this.gatewayArn = gatewayArn;
    }
<p>
The Amazon Resource Name (ARN) of the gateway to delete.
</p>

@param gatewayArn
       The Amazon Resource Name (ARN) of the gateway to delete.
aws-java-sdk-backupgateway/src/main/java/com/amazonaws/services/backupgateway/model/DeleteGatewayRequest.java