public ServerShutdownException withRequestId(String requestId) {
        setRequestId(requestId);
        return this;
    }
<p>
The ID of the request in question.
</p>

@param requestId
       The ID of the request in question.
@return Returns a reference to this object so that method calls can be chained together.
aws-java-sdk-neptunedata/src/main/java/com/amazonaws/services/neptunedata/model/ServerShutdownException.java