W3CDOMStreamWriter writer = new W3CDOMStreamWriter();
writer.writeStartElement("wst", "RequestSecurityTokenCollection", namespace);
writer.writeNamespace("wst", namespace);
for (BatchRequest batchRequest : batchRequestList) {
writer.writeStartElement("wst", "RequestSecurityToken", namespace);
writer.writeNamespace("wst", namespace);
addRequestType(requestType, writer);
if (enableAppliesTo) {
addAppliesTo(writer, batchRequest.getAppliesTo());