public DescribeRegionsRequest withRegionNames(java.util.Collection<String> regionNames) {
        setRegionNames(regionNames);
        return this;
    }
<p>
The names of the Regions. You can specify any Regions, whether they are enabled and disabled for your account.
</p>

@param regionNames
       The names of the Regions. You can specify any Regions, whether they are enabled and disabled for your
       account.
@return Returns a reference to this object so that method calls can be chained together.
aws-java-sdk-ec2/src/main/java/com/amazonaws/services/ec2/model/DescribeRegionsRequest.java