public void addPut(Operation putOp, InternalRegion r, RegionEntry re, Object key, Object newValue,
      Object aCallbackArgument) {
    addEvent(createEvent(r, putOp, re, key, newValue, aCallbackArgument));
  }
Add an event to our internal list
geode-core/src/main/java/org/apache/geode/internal/cache/TXRmtEvent.java