code: public void setConfiguration(VirtualHost config) {
          this.config = config;
          if (TraceComponent.isAnyTracingEnabled() && tc.isDebugEnabled()) {
              Tr.debug(tc, "setConfiguration", "config set ->"+ this.config);
          }
      }
docs: Set or replace the underlying VirtualHost that provides host aliases
  and default mime type configuration.
  
  @param config VirtualHost object representing the new/updated VirtualHost
  configuration