protected IntSupplier portSupplier() {
    return portSupplier;
  }
Base class for handling downloading and configuring J2EE containers.

This class contains common logic for downloading and configuring J2EE containers with cargo, and
some common methods for applying geode session replication configuration to those containers.

Subclasses provide installation of specific containers.
geode-assembly/geode-assembly-test/src/main/java/org/apache/geode/session/tests/ContainerInstall.java