code: @Override
      public void setCustomProperty(String key, String value)
      {
          if (TraceComponent.isAnyTracingEnabled() && tc.isEntryEnabled())
              SibTr.entry(this, tc, "setCustomProperty", new Object[] { "Key=" + key, "Value=" + value });
  
          _customProperties.put(key, value);
  
          if (TraceComponent.isAnyTracingEnabled() && tc.isEntryEnabled())
              SibTr.exit(this, tc, "setCustomProperty");
      }
docs: /*
  (non-Javadoc)
  
  @see com.ibm.ws.sib.admin.JsEngineComponent#setCustomProperty(java.lang.String, java.lang.String)