private void startCacheTransactionManager() {
    stack.push(new CacheTransactionManagerCreation());
  }
When a <code>cache-transaction-manager</code> element is found, create a container for the
potential <code>transaction-listener</code> and push it on the stack
geode-core/src/main/java/org/apache/geode/internal/cache/xmlcache/CacheXmlParser.java