code: public final void setTimestamp(long value) {
          if (TraceComponent.isAnyTracingEnabled() && tc.isEntryEnabled())
              SibTr.entry(this, tc, "setTimestamp", Long.valueOf(value));
          getHdr2().setLongField(JsHdr2Access.TIMESTAMP, value);
          if (TraceComponent.isAnyTracingEnabled() && tc.isEntryEnabled())
              SibTr.exit(this, tc, "setTimestamp");
      }
docs: /*
  Set the value of the Timestamp field in the message header.
  
  Javadoc description supplied by JsMessage interface.