code: public Map<String, Context> getJndiContexts() {
          Map<String, Context> jndiContexts = new HashMap<>();
          jndiContexts.putAll(additionalJndiContexts);
          jndiContexts.put("default", defaultJndiContext);
          return jndiContexts;
      }
docs: Retrieve all configured JNDI contexts.
  
  @return the map of all configured JNDI contexts.