问通过GITHUB免费的新闻API，如何在改造中实现这段代码？

EN

   public interface GetNewsByCountry {

    @GET("top-headlines/category/general/{country}.json")
    Call<NEWSPOJO> getAllNews(@Path("country") String country);
}

public class RetrofitClientInstance {

    public static final String BASE_URL = "https://saurav.tech/NewsAPI/";
    private static Retrofit retrofit = null;
    public static Retrofit getRetrofitInstance() {
        if (retrofit==null) {
            retrofit = new Retrofit.Builder()
                    .baseUrl(BASE_URL)
                    .addConverterFactory(GsonConverterFactory.create())
                    .build();
}
        return retrofit;
    }
}

GetNewsByCountry service = RetrofitClientInstance.getRetrofitInstance()
.create(GetNewsByCountry.class);
                Call<YOUR_POJO_CLASS> call = service.getAllNews("us");
                call.enqueue(new Callback<YOUR_POJO_CLASS>() {

                    @Override
                    public void onResponse(Call<YOUR_POJO_CLASS> call, Response<YOUR_POJO_CLASS> response) {

                           /** TODO: implement the logic you want when you receive the
JSON data, most probably you want to show 
the result in recycler view so I am pasting 
my code here, u know just in case
    
     Log.v("onResponse", "we are in th on response callback");
    
                            assert response.body() != null;
                            List<Article> list = response.body().getArticles();
                            adapter = new NewsAdapter(getActivity(), list);
    
                            recyclerView.setAdapter(adapter);
                            adapter.notifyDataSetChanged();
    */
    
    
                        }
    
    
    
                        @Override
                        public void onFailure(Call<NEWSPOJO> call, Throwable t) {
                           /** progressDialog.dismiss();
                            Log.e("“out”", t.toString());
    
                            Toast.makeText(getActivity(), "Something went wrong...Please try later!", Toast.LENGTH_SHORT).show();
    */
                        }
    
                    });