builder.humanReadable(request.paramAsBoolean("human", builder.humanReadable()));
String casing = request.param("case");
if (casing != null && "camelCase".equals(casing)) {
builder.fieldCaseConversion(XContentBuilder.FieldCaseConversion.CAMELCASE);
} else {
// we expect all REST interfaces to write results in underscore casing, so
// no need for double casing
builder.fieldCaseConversion(XContentBuilder.FieldCaseConversion.NONE);
}