docs: public DeploymentType getDeployment()
      {
          if (m_memoizedDeployment == null) {
              m_memoizedDeployment = CatalogUtil.getDeployment(
                      new ByteArrayInputStream(m_catalogInfo.m_deploymentBytes));
              // This should NEVER happen
              if (m_memoizedDeployment == null) {
                  VoltDB.crashLocalVoltDB("The internal deployment bytes are invalid.  This should never occur; please contact VoltDB support with your logfiles.");
              }
          }
          return m_memoizedDeployment;
      }