@Override
  public int getDSFID() {
    return GATEWAY_SENDER_EVENT_CALLBACK_ARGUMENT;
  }
Initialize the original set of recipient <code>Gateway</code>s.

@param originalGatewaysReceivers The original recipient <code>Gateway</code>s.
geode-core/src/main/java/org/apache/geode/internal/cache/wan/GatewaySenderEventCallbackArgument.java