in src/main/java/com/google/devtools/build/remote/client/ActionGrouping.java [188:203]
void addLogEntry(LogEntry entry) throws IOException {
if (entry.hasDetails() && LogParserUtils.isV1Entry(entry.getDetails())) {
V1found = true;
}
if (!entry.hasMetadata()) {
numSkipped++;
return;
}
String hash = entry.getMetadata().getActionId();
if (!actionMap.containsKey(hash)) {
actionMap.put(hash, new ActionDetails.Builder(hash));
}
actionMap.get(hash).add(entry);
}