public DeregisterGatewayInstanceRequest withGatewayInstanceArn(String gatewayInstanceArn) {
        setGatewayInstanceArn(gatewayInstanceArn);
        return this;
    }
The Amazon Resource Name (ARN) of the gateway that contains the instance that you want to deregister.

@param gatewayInstanceArn
       The Amazon Resource Name (ARN) of the gateway that contains the instance that you want to deregister.
@return Returns a reference to this object so that method calls can be chained together.
aws-java-sdk-mediaconnect/src/main/java/com/amazonaws/services/mediaconnect/model/DeregisterGatewayInstanceRequest.java