public DeleteReplicationGroupMemberAction withRegionName(String regionName) {
        setRegionName(regionName);
        return this;
    }
<p>
The Region where the replica exists.
</p>

@param regionName
       The Region where the replica exists.
@return Returns a reference to this object so that method calls can be chained together.
aws-java-sdk-dynamodb/src/main/java/com/amazonaws/services/dynamodbv2/model/DeleteReplicationGroupMemberAction.java