@Override
  protected Get70.Entry getEntry(Region region, Object key, Object callbackArg,
      ServerConnection servConn) {
    return getValueAndIsObject(region, key, callbackArg, servConn);
  }
getEntry(key) operation performed on server. Extends Request, and overrides getValueAndIsObject()
in Request so as to not invoke loader.

@since GemFire 6.6
geode-core/src/main/java/org/apache/geode/internal/cache/tier/sockets/command/GetEntry70.java