String oldText = (String) sequenceTextMap.get(sequence);
String newText = oldText == null ? text : oldText + text;
sequenceTextMap.put(sequence, newText);
EchoStringResponse echoStringResponse = new EchoStringResponse();
echoStringResponse
.setEchoStringResponse(new EchoStringResponseBodyType());
echoStringResponse.getEchoStringResponse().setEchoStringReturn(newText);
return echoStringResponse;
}