ProjectLib/ProjectLibrary/Repositores/IBookLibraryRepository.cs

namespace ProjectLibrary.Repositories
{
    using ProjectLibrary.Entites;
    using ProjectLibrary.Entities;

    public interface IBookLibraryRepository
    {
        IEnumerable<Book_Library> ReadBookLibraries(int? bookId = null, int? libraryId = null);
        void CreateBookLibrary(Book_Library bookLibrary);
        void DeleteBookLibrary(int bookId, int libraryId);
    }
}