feat(models): add new base classes

src/lib/models/base/llm.ts

@@ -0,0 +1,26 @@
+import {
+  GenerateObjectInput,
+  GenerateObjectOutput,
+  GenerateOptions,
+  GenerateTextInput,
+  GenerateTextOutput,
+  StreamObjectOutput,
+  StreamTextOutput,
+} from '../types';
+
+abstract class BaseLLM<CONFIG> {
+  constructor(protected config: CONFIG) {}
+  abstract withOptions(options: GenerateOptions): this;
+  abstract generateText(input: GenerateTextInput): Promise<GenerateTextOutput>;
+  abstract streamText(
+    input: GenerateTextInput,
+  ): AsyncGenerator<StreamTextOutput>;
+  abstract generateObject<T>(
+    input: GenerateObjectInput,
+  ): Promise<GenerateObjectOutput<T>>;
+  abstract streamObject<T>(
+    input: GenerateObjectInput,
+  ): AsyncGenerator<StreamObjectOutput<T>>;
+}
+
+export default BaseLLM;