docs: protected synchronized void add(ValueSet idSet, int bufferType, int cause, int source, boolean fromDepIdTemplateInvalidation, boolean fireEvent,
              boolean checkFull) {
          final String methodName = "add(ValueSet)";
          if (idSet == null || idSet.isEmpty()) {
              return;
          }
          int size = idSet.size();
          if (bufferType == EXPLICIT_BUFFER) {
              byte info = 0;
              if (cause != 0 && source != 0) {
                  info = (byte) cause;
                  if (source == CachePerf.REMOTE) {
                      info = (byte) (info | STATUS_REMOTE);
                  }
                  if (fromDepIdTemplateInvalidation) {
                      info = (byte) (info | STATUS_FROM_DEPID_TEMPLATE);
                  }
                  if (fireEvent) {
                      info = (byte) (info | STATUS_FIRE_EVENT);
                  }
              }
              Iterator it = idSet.iterator();
              while (it.hasNext()) {
                  Object entryId = it.next();
                  this.explicitBuffer.put(entryId, new Byte(info));
              }
              if (!this.scanBuffer.isEmpty()) {
                  filter(this.scanBuffer, idSet);
              }
          } else if (bufferType == SCAN_BUFFER) {
              if (!explicitBuffer.isEmpty()) {
                  filter(idSet, this.explicitBuffer);
              }
              this.scanBuffer.addAll(idSet);
          } else if (bufferType == GC_BUFFER) {
              this.garbageCollectorBuffer.addAll(idSet);
          }
  
          // if (size > 50) {
          traceDebug(methodName, "cacheName=" + this.cod.cacheName + " idSet=" + size + " idSetFilter=" + idSet.size() + " bufferType=" + bufferType
                  + " explicitBuffer=" + this.explicitBuffer.size() + " scanBuffer=" + this.scanBuffer.size() + " GCBuffer="
                  + this.garbageCollectorBuffer.size());
          // }
  
          if ((checkFull && isFull()) || bufferType == GC_BUFFER) { // 3821 NK end
              invokeBackgroundInvalidation(!SCAN);
          }
      }