public DescribeCasesRequest withDisplayId(String displayId) {
        setDisplayId(displayId);
        return this;
    }
<p>
The ID displayed for a case in the Amazon Web Services Support Center user interface.
</p>

@param displayId
       The ID displayed for a case in the Amazon Web Services Support Center user interface.
@return Returns a reference to this object so that method calls can be chained together.
aws-java-sdk-support/src/main/java/com/amazonaws/services/support/model/DescribeCasesRequest.java