public FunctionConfiguration withDeadLetterConfig(DeadLetterConfig deadLetterConfig) {
        setDeadLetterConfig(deadLetterConfig);
        return this;
    }
<p>
The function's dead letter queue.
</p>

@param deadLetterConfig
       The function's dead letter queue.
@return Returns a reference to this object so that method calls can be chained together.
aws-java-sdk-lambda/src/main/java/com/amazonaws/services/lambda/model/FunctionConfiguration.java