public void persist() {
        for (SiddhiAppRuntime siddhiAppRuntime : siddhiAppRuntimeMap.values()) {
            siddhiAppRuntime.persist();
        }
    }
Method used persist state of current Siddhi Manager instance. This will internally call all SiddhiAppRuntimes
within Siddhi Manager.
modules/siddhi-core/src/main/java/io/siddhi/core/SiddhiManager.java