docs: public ServiceCall<SessionResponse> createSession(CreateSessionOptions createSessionOptions) {
      Validator.notNull(createSessionOptions, "createSessionOptions cannot be null");
      String[] pathSegments = { "v2/assistants", "sessions" };
      String[] pathParameters = { createSessionOptions.assistantId() };
      RequestBuilder builder = RequestBuilder.post(RequestBuilder.constructHttpUrl(getEndPoint(), pathSegments,
          pathParameters));
      builder.query("version", versionDate);
      Map<String, String> sdkHeaders = SdkCommon.getSdkHeaders("conversation", "v2", "createSession");
      for (Entry<String, String> header : sdkHeaders.entrySet()) {
        builder.header(header.getKey(), header.getValue());
      }
      builder.header("Accept", "application/json");
      return createServiceCall(builder.build(), ResponseConverterUtils.getObject(SessionResponse.class));
    }