docs: public void setMaxConcurrency(final String maxConcurrency) {
  
          if (TraceComponent.isAnyTracingEnabled() && TRACE.isDebugEnabled()) {
              SibTr.debug(this, TRACE, "MaxConcurrency", maxConcurrency);
          }
          _maxConcurrency = (maxConcurrency == null ? null : Integer.valueOf(maxConcurrency));
  
      }