in exporters/trace/src/main/java/com/google/cloud/opentelemetry/trace/TraceTranslator.java [235:247]
private static String jsonString(List<?> values) {
StringBuilder result = new StringBuilder("[");
boolean first = true;
for (Object value : values) {
if (!first) {
result.append(',');
}
result.append(value.toString());
first = false;
}
result.append("]");
return result.toString();
}