AppModule.java

    @Provides
    @Named("simpleRetrofit")
    @Singleton
    Retrofit getSimpleRetrofit(OkHttpClient.Builder okHttpClientBuilder) {
        HttpLoggingInterceptor logger = new HttpLoggingInterceptor();
        logger.setLevel(HttpLoggingInterceptor.Level.BODY);
        okHttpClientBuilder.addInterceptor(logger);
        OkHttpClient okHttpClient = okHttpClientBuilder.build();

        Retrofit.Builder builder = new Retrofit.Builder()
                .baseUrl(C.NET.API_BASE_URL)
                .addCallAdapterFactory(RxJavaCallAdapterFactory.create())
                .client(okHttpClient);

        builder.addConverterFactory(GsonConverterFactory.create());
        Retrofit retrofit = builder.build();
        return retrofit;
    }

    @Provides
//    @Named("retrofit")
    @Singleton
    Retrofit getRetrofit(Gson gson, Retrofit.Builder builder) {
        builder
                .addConverterFactory(new ErrorParserFactory(gson))
                .addConverterFactory(GsonConverterFactory.create());

        Retrofit retrofit = builder.build();
        return retrofit;
    }

MyService.kt

@Inject
    @Named("simpleRetrofit")
    lateinit var simpleRetrofit: Retrofit

    @Inject
    lateinit var retrofit: Retrofit