static LogSegmentName generateFirstSegmentName(boolean isLogSegmented) {
    return isLogSegmented ? new LogSegmentName(0, 0) : SINGLE_SEGMENT_LOG_NAME;
  }
@param isLogSegmented {@code true} if the log is segmented, {@code false} otherwise.
@return what should be the name of the first segment.
ambry-store/src/main/java/com/github/ambry/store/LogSegmentName.java