code: void setLastTruncatedSequenceNumber(long value) {
          Preconditions.checkArgument(value >= this.lastTruncatedSequenceNumber.get(), "New LastTruncatedSequenceNumber cannot be smaller than the previous one.");
          this.lastTruncatedSequenceNumber.set(value);
      }
docs: Sets the Sequence Number of the last Truncated Operation.
  
  @param value The Sequence Number to set.