code: public List<WsByteBuffer> compress(WsByteBuffer buffer) {
          if (TraceComponent.isAnyTracingEnabled() && tc.isEntryEnabled()) {
              Tr.entry(tc, "compress, input=" + buffer);
          }
          List<WsByteBuffer> list = new LinkedList<WsByteBuffer>();
          list = compress(list, buffer);
          if (TraceComponent.isAnyTracingEnabled() && tc.isEntryEnabled()) {
              Tr.exit(tc, "compress, return list of size " + list.size());
          }
          return list;
      }
docs: /*
  @see
  com.ibm.wsspi.http.channel.compression.CompressionHandler#compress(com.
  ibm.wsspi.bytebuffer.WsByteBuffer)