docs: public void setCustomProperties(Properties customProperties) {
          if (TraceComponent.isAnyTracingEnabled() && tc.isEntryEnabled())
              Tr.entry(tc, "setCustomProperties", customProperties);
  
          this.customProperties = customProperties;
  
          if (TraceComponent.isAnyTracingEnabled() && tc.isEntryEnabled())
              Tr.exit(tc, "setCustomProperties");
      }