in exporters/trace/src/main/java/com/google/cloud/opentelemetry/trace/TraceTranslator.java [324:333]
static Map<String, AttributeValue> getResourceLabels(Map<String, String> resource) {
if (resource == null) {
return Collections.emptyMap();
}
Map<String, AttributeValue> resourceLabels = new LinkedHashMap<>();
for (Map.Entry<String, String> entry : resource.entrySet()) {
putToResourceAttributeMap(resourceLabels, entry.getKey(), entry.getValue());
}
return Collections.unmodifiableMap(resourceLabels);
}