public interface AcademyApi {
@POST("registration")
Call<Void> registration(@Body User user);
@GET("user")
Call<UserBean> getUserBean(
@Header("Authorization") String credentials);
@GET("albums")
Call<Albums> getAlbums();
@GET("albums/{id}")
Call<Album> getAlbum(@Path("id") int id);
@GET("songs")
Call<Albums> getSongs();
@GET("songs/{id}")
Call<Albums> getSong(@Path("id") int id);
}