void addPutRecord(Long offset, boolean isExpired) {
      isConsistent = false;
      putMessageOffsets.add(offset);
      this.isExpired = isExpired;
      if (putMessageOffsets.size() > 1) {
        duplicatePuts = true;
      } else if (deleteMessageOffsets.size() > 0) {
        putAfterDelete = true;
      }
    }
Adds information about a put record
@param offset the offset at which the put record was found
@param isExpired {@code true} if blob is expired, {@code false} otherwise
ambry-tools/src/main/java/com/github/ambry/store/DumpLogTool.java