public ReplicationSpecification withRegionList(java.util.Collection<String> regionList) {
        setRegionList(regionList);
        return this;
    }
<p>
The <code>regionList</code> can contain up to six Amazon Web Services Regions where the keyspace is replicated
in.
</p>

@param regionList
       The <code>regionList</code> can contain up to six Amazon Web Services Regions where the keyspace is
       replicated in.
@return Returns a reference to this object so that method calls can be chained together.
aws-java-sdk-keyspaces/src/main/java/com/amazonaws/services/keyspaces/model/ReplicationSpecification.java