}
for (GelfLogField field : fields) {
if (Strings.isNotEmpty(field.getMdc())) {
mdcGelfMessageAssembler.addField(new MdcMessageField(field.getName(), field.getMdc()));
}
if (Strings.isNotEmpty(field.getLiteral())) {
mdcGelfMessageAssembler.addField(new StaticMessageField(field.getName(), field.getLiteral()));
}