protected EventID getEventId(int eventOffset) {
    return new EventID(farsideBaseMembershipId, farsideBaseThreadId,
        farsideBaseSequenceId + eventOffset);
  }
Create and return an eventId given its offset.

@since GemFire 5.7
geode-core/src/main/java/org/apache/geode/internal/cache/TXCommitMessage.java