public void setSiddhiDebugger(SiddhiDebugger siddhiDebugger) {
        this.siddhiDebugger = siddhiDebugger;
    }
Abstract class to represent parent callback implementation which allows users to get processed events from Siddhi
queries. There are multiple implementation of this which will receive events and perform various tasks.
modules/siddhi-core/src/main/java/io/siddhi/core/query/output/callback/OutputCallback.java