interface ErrorHandling {
  success: boolean;
  error?: { message: string };
}
 
interface ArtworksData {
  artworks: { title: string }[];
}
 
interface ArtistsData {
  artists: { name: string }[];
}
 
// These interfaces are composed to have
// consistent error handling, and their own data.
 
type ArtworksResponse = ArtworksData & ErrorHandling;
type ArtistsResponse = ArtistsData & ErrorHandling;