text: #include "server/config_validation/async_client.h"
  
  namespace Envoy {
  namespace Http {
  
  ValidationAsyncClient::ValidationAsyncClient(Event::TimeSystem& time_system)
      : dispatcher_(time_system) {}
  
  AsyncClient::Request*
  ValidationAsyncClient::send(MessagePtr&&, Callbacks&,
                              const absl::optional<std::chrono::milliseconds>&) {
    return nullptr;
  }
  
  AsyncClient::Stream* ValidationAsyncClient::start(StreamCallbacks&,
                                                    const absl::optional<std::chrono::milliseconds>&,
                                                    bool) {
    return nullptr;
  }
  
  } // namespace Http
  } // namespace Envoy
  