diff --git a/src/services/ScrapingService.ts b/src/services/ScrapingService.ts
index 2b1fdc5..edf6f17 100644
--- a/src/services/ScrapingService.ts
+++ b/src/services/ScrapingService.ts
@@ -1,5 +1,5 @@
-import { IFeedRepository } from '../repositories/FeedRepository';
-import { IFeed } from '../types/Feed';
+import { IFeedRepository } from '../repositories/FeedRepository.js';
+import { IFeed } from '../types/Feed.js';
 
 export class ScrapingService {
   constructor(private feedRepository: IFeedRepository) {}
diff --git a/src/types/NewspaperTypes.ts b/src/types/NewspaperTypes.ts
new file mode 100644
index 0000000..8cd231c
--- /dev/null
+++ b/src/types/NewspaperTypes.ts
@@ -0,0 +1,36 @@
+import { NewsSource } from './Feed.js';
+import { IFeed } from './Feed.js';
+
+/**
+ * Interfaz para definir la configuración de extracción de un periódico
+ */
+export interface NewspaperConfig {
+  name: string;
+  source: NewsSource;
+  baseUrl: string;
+  frontPageUrl: string;
+  selectors: NewsSelectors;
+  enabled: boolean;
+}
+
+/**
+ * Selectores CSS para extraer elementos específicos de cada periódico
+ */
+export interface NewsSelectors {
+  articleLinks: string;
+  titleSelector?: string;
+  descriptionSelector?: string;
+  dateSelector?: string;
+  imageSelector?: string;
+}
+
+/**
+ * Resultado del proceso de scraping
+ */
+export interface ScrapingResult {
+  success: number;
+  failed: number;
+  duplicates: number;
+  items: (IFeed | null)[];
+  errors: string[];
+}
\ No newline at end of file