code: public synchronized boolean isClientAuthenticationEnabled() {
          if (TraceComponent.isAnyTracingEnabled() && tc.isEntryEnabled())
              Tr.entry(tc, "isClientAuthenticationEnabled");
          boolean auth = false;
  
          if (TraceComponent.isAnyTracingEnabled() && tc.isEntryEnabled())
              Tr.exit(tc, "isClientAuthenticationEnabled", Boolean.valueOf(auth));
          return auth;
      }
docs: *
  This method checks if the client supports/requires SSL client
  authentication. Returns false if both required and supported are false.
  
  @return boolean
  *